Python - Everything is object

Description

• tests/ - Main functions provided by Holberton School to test the files.

Tasks

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

  • 6-answer.txt: What do these 3 lines print?

  >>> 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

  • 8-answer.txt: What do these 3 lines print?

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

• 9. Is really the same

  • 9-answer.txt: What do these 3 lines print?

  >>> 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

  • 17-answer.txt: What does this script print?

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

• 18. List assignation

  • 18-answer.txt: What does this script print?

  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)
  

Author

• Felipe Villamizar - GitHub