Python Data Types: Sets - Exercises, Practice, Solution
This resource offers a total of 150 Python Sets problems for practice. It includes 30 main exercises, each accompanied by solutions, detailed explanations, and four related problems.
[An Editor is available at the bottom of the page to write and execute the scripts.]
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.
1. Create a Set
Write a Python program to create a set.
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2. Iterate Over Sets
Write a Python program to iterate over sets.
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3. Add Member(s) to a Set
Write a Python program to add member(s) to a set.
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4. Remove Item(s) from a Given Set
Write a Python program to remove item(s) from a given set.
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5. Remove an Item from a Set if Present
Write a Python program to remove an item from a set if it is present in the set.
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6. Create an Intersection of Sets
Write a Python program to create an intersection of sets.
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7. Create a Union of Sets
Write a Python program to create a union of sets.
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8. Create Set Difference
Write a Python program to create set difference.
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9. Create a Symmetric Difference
Write a Python program to create a symmetric difference.
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10. Check if a Set is a Subset of Another Set
Write a Python program to check if a set is a subset of another set.
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11. Create a Shallow Copy of a Set
Write a Python program to create a shallow copy of sets.
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. Remove All Elements from a Given Set
Write a Python program to remove all elements from a given set.
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13. Use Frozensets
Write a Python program that uses frozensets.
Note: Frozensets behave just like sets except they are immutable.
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14. Find Maximum and Minimum Values in a Set
Write a Python program to find the maximum and minimum values in a set.
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15. Find the Length of a Set
Write a Python program to find the length of a set.
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16. Check if a Given Value is Present in a Set
Write a Python program to check if a given value is present in a set or not.
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17. Check if Two Sets Have No Elements in Common
Write a Python program to check if two given sets have no elements in common.
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18. Check if a Set is a Superset
Write a Python program to check if a given set is a superset of itself and a superset of another given set.
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19. Find Elements in a Set Not in Another
Write a Python program to find elements in a given set that are not in another set.
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20. Remove Intersection of a Second Set with a First Set
Write a Python program to remove the intersection of a second set with a first set.
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21. Unique Words and Frequency Count from a List of Strings
Write a Python program to find all the unique words and count the frequency of occurrence from a given list of strings. Use Python set data type.
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22. Find All Pairs in a List with Sum Equal to a Given Value
Write a Python program that finds all pairs of elements in a list whose sum is equal to a given value.
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23. Find Longest Common Prefix of All Strings Using a Set
Write a Python program to find the longest common prefix of all strings. Use the Python set.
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24. Find Two Numbers with Maximum Product in a List Using a Set
Write a Python program to find the two numbers whose product is maximum among all the pairs in a given list of numbers. Use the Python set.
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25. Find Missing Numbers Between Two Sets
Given two sets of numbers, write a Python program to find the missing numbers in the second set as compared to the first and vice versa. Use the Python set.
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26. Find All Anagrams and Group Them from a List of Strings
Write a Python program to find all the anagrams and group them together from a given list of strings. Use the Python data type.
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27. Find All Anagrams in a List and Group Them
Write a Python program to find all the anagrams in a given list of strings and then group them together. Use the Python data type.
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28. Unique Combinations of 3 Numbers Adding Up to Target
Write a Python program to find all the unique combinations of 3 numbers from a given list of numbers, adding up to a target number.
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29. Find Third Largest Number Using a Set
Write a Python program to find the third largest number from a given list of numbers.Use the Python set data type.
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30. Remove Duplicates from a List of Strings Using a Set
Write a Python program to remove all duplicates from a given list of strings and return a list of unique strings. Use the Python set data type.
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