Python Data Types: Sets - Exercises, Practice, Solution
Python Sets [ 20 exercises with solution]
A set object is an unordered collection of distinct hashable objects. It is commonly used in membership testing, removing duplicates from a sequence, and computing mathematical operations such as intersection, union, difference, and symmetric difference.
You may read our Python sets tutorial before solving the following exercises.
[An editor is available at the bottom of the page to write and execute the scripts.]
1. Write a Python program to create a set. Go to the editor
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2. Write a Python program to iteration over sets. Go to the editor
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3. Write a Python program to add member(s) in a set. Go to the editor
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4. Write a Python program to remove item(s) from a given set. Go to the editor
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5. Write a Python program to remove an item from a set if it is present in the set. Go to the editor
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6. Write a Python program to create an intersection of sets. Go to the editor
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7. Write a Python program to create a union of sets. Go to the editor
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8. Write a Python program to create set difference. Go to the editor
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9. Write a Python program to create a symmetric difference. Go to the editor
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10. Write a Python program to check if a set is a subset of another set. Go to the editor
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11. Write a Python program to create a shallow copy of sets. Go to the editor
Note : Shallow copy is a bit-wise copy of an object. A new object is created that has an exact copy of the values in the original object.
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12. Write a Python program to remove all elements from a given set. Go to the editor
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13. Write a Python program to use of frozensets. Go to the editor
Note: Frozensets behave just like sets except they are immutable.
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14. Write a Python program to find maximum and the minimum value in a set. Go to the editor
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15. Write a Python program to find the length of a set. Go to the editor
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16. Write a Python program to check if a given value is present in a set or not. Go to the editor
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17. Write a Python program to check if two given sets have no elements in common. Go to the editor
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18. Write a Python program to check if a given set is superset of itself and superset of another given set. Go to the editor
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19. Write a Python program to find the elements in a given set that are not in another set. Go to the editor
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20. Write a Python program to remove the intersection of a 2nd set from the 1st set. Go to the editor
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Do not submit any solution of the above exercises at here, if you want to contribute go to the appropriate exercise page.
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Python: Tips of the Day
Find current directory and file's directory:
To get the full path to the directory a Python file is contained in, write this in that file:
import os dir_path = os.path.dirname(os.path.realpath(__file__))
(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is relative to the current working directory and is not changed by an os.chdir() call.)
To get the current working directory use
import os cwd = os.getcwd()
Documentation references for the modules, constants and functions used above:
- The os and os.path modules.
- The __file__ constant
- os.path.realpath(path) (returns "the canonical path of the specified filename, eliminating any symbolic links encountered in the path")
- os.path.dirname(path) (returns "the directory name of pathname path")
- os.getcwd() (returns "a string representing the current working directory")
- os.chdir(path) ("change the current working directory to path")
Ref: https://bit.ly/3fy0R6m
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