# Python Data Types: Sets - Exercises, Practice, Solution

## Python Sets [ 30 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.**

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**1.** Write a Python program to create a set.

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**2.** Write a Python program to iterate over sets.

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**3.** Write a Python program to add member(s) to a set.

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**4.** Write a Python program to remove item(s) from a given set.

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**5.** Write a Python program to remove an item from a set if it is present in the set.

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**6.** Write a Python program to create an intersection of sets.

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**7.** Write a Python program to create a union of sets.

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**8.** Write a Python program to create set difference.

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**9.** Write a Python program to create a symmetric difference.

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**10.** Write a Python program to check if a set is a subset of another set.

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**11.** 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.** Write a Python program to remove all elements from a given set.

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**13.** Write a Python program that uses frozensets.

Note: Frozensets behave just like sets except they are immutable.

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**14.** Write a Python program to find the maximum and minimum values in a set.

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**15.** Write a Python program to find the length of a set.

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**16.** Write a Python program to check if a given value is present in a set or not.

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**17.** Write a Python program to check if two given sets have no elements in common.

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**18.** 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.** Write a Python program to find elements in a given set that are not in another set.

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**20.** Write a Python program to remove the intersection of a second set with a first set.

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**21.** 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.** 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.** Write a Python program to find the longest common prefix of all strings. Use the Python set.

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**24.** 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.** 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.** 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.** 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.** 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.** 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.** 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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## Python: Tips of the Day

**Creating a sequence of numbers (zero to ten with skips):**

>>> range(0,10,2) [0, 2, 4, 6, 8]

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