0x09-python-everything_is_object

Project: 0x09. Python - Everything is object

This directory contains projects focused on understanding the fundamental concepts of objects in Python. The tasks cover topics such as object identity, mutability, aliasing, and how Python handles variables and data structures.

Resources

Read or watch

• 9.10. Objects and values
• 9.11. Aliasing
• Immutable vs mutable types
• Mutation
• 9.12. Cloning lists
• Python tuples: immutable but potentially changing

Learning Objectives

General

• Why Python programming is awesome
• What is an object
• What is the difference between a class and an object or instance
• What is the difference between immutable object and mutable object
• What is a reference
• What is an assignment
• What is an alias
• How to know if two variables are identical
• How to know if two variables are linked to the same object
• How to display the variable identifier (which is the memory address in the CPython implementation)
• What is mutable and immutable
• What are the built-in mutable types
• What are the built-in immutable types
• How does Python pass variables to functions

Tasks

Task	File	Description
0. Who am I?	0-answer.txt	Write the name of the function that returns the type of an object.
1. Where are you?	1-answer.txt	Write the name of the function that returns the unique identifier of an object.
2. Right count	2-answer.txt	Write the name of the function that returns the number of references to an object.
3. Right count =	3-answer.txt	Write the name of the function that returns the number of references to an object after assignment.
4. Right count =	4-answer.txt	Write the name of the function that returns the number of references to an object after another assignment.
5. Right count =+	5-answer.txt	Write the name of the function that returns the number of references to an object after incrementing.
6. Is equal	6-answer.txt	Write the name of the function that checks if two objects are equal.
7. Is the same	7-answer.txt	Write the name of the function that checks if two objects are the same.
8. Is really equal	8-answer.txt	Write the name of the function that checks if two objects are really equal.
9. Is really the same	9-answer.txt	Write the name of the function that checks if two objects are really the same.
10. And with a list, is it equal	10-answer.txt	Write the name of the function that checks if two lists are equal.
11. And with a list, is it the same	11-answer.txt	Write the name of the function that checks if two lists are the same.
12. And with a list, is it really equal	12-answer.txt	Write the name of the function that checks if two lists are really equal.
13. And with a list, is it really the same	13-answer.txt	Write the name of the function that checks if two lists are really the same.
14. List append	14-answer.txt	Write the name of the function that appends an element to a list.
15. List add	15-answer.txt	Write the name of the function that adds an element to a list.
16. Integer incrementation	16-answer.txt	Write the name of the function that increments an integer.
17. List incrementation	17-answer.txt	Write the name of the function that increments each element in a list.
18. List assignation	18-answer.txt	Write the name of the function that assigns a new list to a variable.
19. Copy a list object	19-copy_list.py	Write a function that returns a copy of a list.
20. Tuple or not?	20-answer.txt	Write the name of the function that checks if an object is a tuple.
21. Tuple or not?	21-answer.txt	Write the name of the function that checks if an object is a tuple after assignment.
22. Tuple or not?	22-answer.txt	Write the name of the function that checks if an object is a tuple after another assignment.
23. Tuple or not?	23-answer.txt	Write the name of the function that checks if an object is a tuple after incrementing.
24. Who I am?	24-answer.txt	Write the name of the function that returns the type of an object.
25. Tuple or not	25-answer.txt	Write the name of the function that checks if an object is a tuple after appending.
26. Empty is not empty	26-answer.txt	Write the name of the function that checks if an empty tuple is not empty.
27. Still the same?	27-answer.txt	Write the name of the function that checks if a tuple is still the same after modification.
28. Same or not?	28-answer.txt	Write the name of the function that checks if two tuples are the same.
29. #pythonic	100-magic_string.py	Write a function that returns a string "BestSchool" n times the function is called.
30. Low memory cost	101-locked_class.py	Write a class LockedClass with no attributes except first_name.
31. int 1/3	103-line1.txt, 103-line2.txt	Write the name of the function that returns the integer division of 1 by 3.
32. int 2/3	104-line1.txt, 104-line2.txt, 104-line3.txt	Write the name of the function that returns the integer division of 2 by 3.
33. int 3/3	105-line1.txt	Write the name of the function that returns the integer division of 3 by 3.
34. Clear strings	106-line1.txt, 106-line2.txt, 106-line3.txt	Write the name of the function that clears a string.