Python - Everything is object

Description

This project is mostly about answering each point in a .txt file.

0. Who am I?
- 0-answer.txt: What function would you use to print the type of an object?
1. Where are you?
- 1-answer.txt: How do you get the variable identifier (which is the memory address in the CPython implementation)?
2. Right count
- 2-answer.txt: In the following code, do a and b point to the same object?
```
>>> a = 89
>>> b = 100
```
3. Right count =
- 3-answer.txt: In the following code, do a and b point to the same object?
```
>>> a = 89
>>> b = 89
```
4. Right count =
- 4-answer.txt: In the following code, do a and b point to the same object?
```
>>> a = 89
>>> b = a
```
5. Right count =+
- 5-answer.txt: In the following code, do a and b point to the same object?
```
>>> a = 89
>>> b = a + 1
```

6. Is equal

>>> s1 = "Best School"
>>> s2 = s1
>>> print(s1 == s2)

7. Is the same
- 7-answer.txt: What do these 3 lines print?
```
>>> s1 = "Best"
>>> s2 = s1
>>> print(s1 is s2)
```

8. Is really equal

>>> s1 = "Best School"
>>> s2 = "Best School"
>>> print(s1 == s2)

9. Is really the same

>>> s1 = "Best School"
>>> s2 = "Best School"
>>> print(s1 is s2)

10. And with a list, is it equal
- 10-answer.txt: What do these 3 lines print?
```
>>> l1 = [1, 2, 3]
>>> l2 = [1, 2, 3]
>>> print(l1 == l2)
```
11. And with a list, is it the same
- 11-answer.txt: What do these 3 lines print?
```
>>> l1 = [1, 2, 3]
>>> l2 = [1, 2, 3]
>>> print(l1 is l2)
```
12. And with a list, is it really equal
- 12-answer.txt: What do these 3 lines print?
```
>>> l1 = [1, 2, 3]
>>> l2 = l1
>>> print(l1 == l2)
```
13. And with a list, is it really the same
- 13-answer.txt: What do these 3 lines print?
```
>>> l1 = [1, 2, 3]
>>> l2 = l1
>>> print(l1 is l2)
```
14. List append
- 14-answer.txt: What does this script print?
```
l1 = [1, 2, 3]
l2 = l1
l1.append(4)
print(l2)
```
15. List add
- 15-answer.txt: What does this script print?
```
l1 = [1, 2, 3]
l2 = l1
l1 = l1 + [4]
print(l2)
```
16. Integer incrementation
- 16-answer.txt: What does this script print?
```
def increment(n):
    n += 1
a = 1
increment(a)
print(a)
```

17. List incrementation

def increment(n):
    n.append(4)
l = [1, 2, 3]
increment(l)
print(l)

18. List assignation

def assign_value(n, v):
    n = v
l1 = [1, 2, 3]
l2 = [4, 5, 6]
assign_value(l1, l2)
print(l1)

19. Copy a list object
- 19-copy_list.py: Python function def copy_list(a_list): that returns a copy of a list.
20. Tuple or not?
- 20-answer.txt: Is a a tuple?
```
a = ()
```
21. Tuple or not?
- 21-answer.txt: Is a a tuple?
```
a = (1, 2)
```
22. Tuple or not?
- 22-answer.txt: Is a a tuple?
```
a = (1)
```
23. Tuple or not?
- 23-answer.txt: Is a a tuple?
```
a = (1, )
```
24. Who I am?
- 24-answer.txt: What does this script print?
```
a = (1)
b = (1)
a is b
```
25. Tuple or not
- 25-answer.txt: What does this script print?
```
a = (1, 2)
b = (1, 2)
a is b
```
26. Empty is not empty
- 26-answer.txt: What does this script print?
```
a = ()
b = ()
a is b
```
27. Still the same?
- 27-answer.txt: Will the last line of this script print 139926795932424?
```
>>> id(a)
139926795932424
>>> a
[1, 2, 3, 4]
>>> a = a + [5]
>>> id(a)
```
28. Richard Sim's special #4
- 28-answer.txt: Will the last line of this script print 139926795932424?
```
>>> a
[1, 2, 3]
>>> id (a)
139926795932424
>>> a += [4]
>>> id(a)
```