Python Set Exercises: Practice for Set Manipulation

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Python program to find common elements in two lists with the help of set operations −

l1=[1,2,3,4,5] l2=[4,5,6,7,8] s1=set(l1) s2=set(l2) commons = s1&s2 # or s1.intersection(s2) commonlist = list(commons) print (commonlist)

It will produce the following output −

[4, 5]

Python program to check if a set is a subset of another −

s1={1,2,3,4,5} s2={4,5} if s2.issubset(s1): print ("s2 is a subset of s1") else: print ("s2 is not a subset of s1")

It will produce the following output −

s2 is a subset of s1

Python program to obtain a list of unique elements in a list −

T1 = (1, 9, 1, 6, 3, 4, 5, 1, 1, 2, 5, 6, 7, 8, 9, 2) s1 = set(T1) print (s1)

It will produce the following output −

{1, 2, 3, 4, 5, 6, 7, 8, 9}

Python program to find the size of a set object.
Python program that splits a set into two based on odd/even numbers.
Python program to remove all negative numbers from a set.
Python program to build another set with absolute value of each number in a set.
Python program to remove all strings from a set which has elements of different types.

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