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‎Day-27-TkinterGUI/README.md

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# BMI Calculator GUI
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### An implementation of BMI-Calculator.
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### [BMICalculatorGUI](https://repl.it/@abhijeetpandit/BMICalculatorGUI#main.py)
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<img src= 'https://user-images.githubusercontent.com/65078610/106606495-355a4c80-6588-11eb-9df8-651ca5029d91.gif' width="500">

‎Day-27-TkinterGUI/Tkinter GUI.ipynb

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{
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"cells": [
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{
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"cell_type": "markdown",
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"id": "bacterial-notice",
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"metadata": {},
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"source": [
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"# Day 27"
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]
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},
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{
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"cell_type": "markdown",
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"id": "human-import",
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"metadata": {},
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"source": [
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"###### Tkinter, \\*args, **kwargs, Creating GUI Programs"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 15,
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"id": "excess-injection",
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"metadata": {},
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"outputs": [],
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"source": [
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"import tkinter"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 14,
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"id": "vocal-arkansas",
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"metadata": {},
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"outputs": [],
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"source": [
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"window = tkinter.Tk()\n",
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"window.title('GUI title')\n",
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"window.minsize(width=500, height=300)\n",
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"window.config(padx=20, pady=20)\n",
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"\n",
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"# Label\n",
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"FONT = ('arial',24,'bold')\n",
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"my_label = tkinter.Label(text='I am label', font=FONT)\n",
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"# pack() used to lay the components built\n",
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"# my_label.pack(side='bottom',expand=1)\n",
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"my_label.pack()\n",
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"\n",
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"\n",
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"# Alternate ways of updating properties of built component\n",
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"my_label['text'] = 'New label'\n",
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"my_label.config(text='Another new label')\n",
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"\n",
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"def btnClick():\n",
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" user_input = input.get()\n",
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" my_label['text'] = user_input\n",
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" \n",
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"# Button\n",
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"my_button = tkinter.Button(text='Click me', command=btnClick)\n",
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"my_button.pack()\n",
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"\n",
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"# Entry\n",
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"input = tkinter.Entry(width=20)\n",
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"input.pack()\n",
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"\n",
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"window.mainloop()"
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]
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},
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{
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"cell_type": "markdown",
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"id": "hungry-local",
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"metadata": {},
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"source": [
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"**Layout Manager**\n",
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"\n",
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"- **pack()**\n",
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" - Adds components one below other, aligned at center\n",
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" ---\n",
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"- **place()**\n",
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" ```python\n",
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" input = tkinter.Entry(width=20)\n",
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" input.pack()\n",
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" input.place(x=0,y=0)\n",
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" ```\n",
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" ---\n",
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"- **grid()** => Divides screen into num of rows & columns\n",
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" ```python\n",
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" input = tkinter.Entry(width=20)\n",
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" input.pack()\n",
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" input.column(row=0,column=0)\n",
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" ```"
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]
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},
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{
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"cell_type": "markdown",
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"id": "substantial-summer",
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"metadata": {},
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"source": [
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"###### Advanced Python Arguments\n",
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"###### *args: Many Positional Arguments => args - Tuple"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 24,
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"id": "falling-opposition",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"7\n",
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"15\n"
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]
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}
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],
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"source": [
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"# Here 'add' function takes 2 arguments only\n",
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"def add(n1,n2):\n",
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" print(n1+n2)\n",
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"add(5,2)\n",
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"\n",
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"# For unlimited args:\n",
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"# Note: 'args' can be changed to any string, but '*' is required\n",
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"def add(*args):\n",
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" numbers = [n for n in args]\n",
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" print(sum(numbers))\n",
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"add(1,2,3,4,5)"
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]
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},
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{
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"cell_type": "markdown",
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"id": "attractive-particle",
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"metadata": {},
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"source": [
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"###### **kwargs: Many Keyword Arguments => kwargs - Dictionary"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 35,
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"id": "cleared-necessity",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Addition: 4\n",
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"Multiplication: 9\n"
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]
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}
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],
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"source": [
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"def calculate(n,**kwargs):\n",
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" add = n + kwargs['add']\n",
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" multiply = n * kwargs['multiply']\n",
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" print(f'Addition: {add}')\n",
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" print(f'Multiplication: {multiply}')\n",
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"calculate(3, add=1, multiply=3)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 37,
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"id": "ongoing-mentor",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"BMW\n",
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"GT\n"
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]
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}
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],
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"source": [
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"class Car:\n",
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" def __init__(self,**kw):\n",
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" self.brand = kw['brand']\n",
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" self.model = kw['model']\n",
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"my_car = Car(brand='BMW',model='GT')\n",
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"print(my_car.brand)\n",
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"print(my_car.model)"
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]
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},
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{
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"cell_type": "markdown",
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"id": "psychological-terminal",
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"metadata": {},
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"source": [
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"**Important Note:**\n",
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"- For accessing values from dictionary, we use say \n",
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"```car['brand']``` \n",
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"- Reduced to ```car.get('brand')```"
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]
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},
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{
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"cell_type": "markdown",
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"id": "color-reputation",
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"metadata": {},
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"source": [
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"---"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "collectible-naples",
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"metadata": {},
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"outputs": [],
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"source": []
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.9.1"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 5
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}

‎Day-27-TkinterGUI/bmi_calculator.py

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from tkinter import *
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window = Tk()
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window.title('BMI Calculator')
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window.minsize(width=300, height=300)
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window.config(padx=100, pady=100)
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FONT = ("Comic Sans MS",14,'bold')
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# Label
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label1 = Label(text='Enter height:', font=FONT)
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label1.grid(row=1,column=1)
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label2 = Label(text='Enter weight:', font=FONT)
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label2.grid(row=2,column=1)
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label3 = Label(text='cm', font=FONT)
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label3.grid(row=1,column=3)
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label4 = Label(text='kg', font=FONT)
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label4.grid(row=2,column=3)
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label5 = Label(text= ' ', font=("Comic Sans MS",14,'normal'))
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label5.grid(row=4,column=1)
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label6 = Label(text=' ', font=("Comic Sans MS",14,'normal'))
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label6.grid(row=5,column=1)
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# Button
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def onClick():
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bmi = float(weight.get()) / (float(height.get())/100)**2
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if(bmi <= 18.5):
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comment = "Underweight"
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elif(bmi <= 25):
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comment = "Normal weight"
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elif(bmi <= 30):
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comment = "Overweight"
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elif(bmi <= 35):
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comment = "Obese"
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else:
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comment = "Clinically obese"
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label5.config(text= f'BMI = {bmi:.2f}')
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label6.config(text=f'{comment}')
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button = Button(text='Calculate', command=onClick, font=FONT)
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button.grid(row=3,column=2)
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# Entry
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height = Entry(width=3, font=FONT)
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height.grid(row=1,column=2)
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height.focus()
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weight = Entry(width=3, font=FONT)
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weight.grid(row=2,column=2)
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window.mainloop()

‎Day-27-TkinterGUI/mile_to_km.py

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from tkinter import *
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window = Tk()
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window.title('Unit Conversion')
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window.minsize(width=300, height=300)
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window.config(padx=100, pady=100)
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FONT = ("Comic Sans MS",14,'bold')
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# Label
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label1 = Label(text='0', font=FONT)
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label1.grid(row=2,column=2)
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label2 = Label(text='Miles', font=FONT)
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label2.grid(row=1,column=3)
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label3 = Label(text='Kilometres', font=FONT)
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label3.grid(row=2,column=3)
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label4 = Label(text='is equivalent to:', font=FONT)
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label4.grid(row=2,column=1)
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# Button
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def onClick():
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converted_value = float(user_input.get()) * 1.609
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label1.config(text=f'{converted_value:.2f}')
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# Calls onClick whenever clicked
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button = Button(text='Calculate', command=onClick, font=FONT)
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button.grid(row=3,column=2)
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# Entry
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user_input = Entry(width=5, font=FONT)
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user_input.grid(row=1,column=2)
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user_input.focus()
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window.mainloop()

‎Day-27-TkinterGUI/practice.py

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from tkinter import *
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window = Tk()
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window.title('First GUI')
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window.minsize(width=500, height=500)
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window.config(padx=100, pady=200)
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# Label
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label = Label(text='Old Text', font=('arial',18,'bold'))
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label.config(text='New Text')
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label.grid(row=1,column=1)
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# Button
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def onClick():
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print("Do something")
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label.config(text=user_input.get())
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# Calls onClick whenever clicked
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button1 = Button(text='Click Me', command=onClick)
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button1.grid(row=2,column=2)
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button2 = Button(text='Click Me', command=onClick)
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button2.grid(row=1,column=3)
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user_input = Entry(width=30)
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user_input.grid(row=3,column=4)
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window.mainloop()

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