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Solution: Remove All Duplicate Elements

Explore how to remove duplicate elements from string, list, and tuple data types in Python by using sets. Understand how converting these collections to sets and back enables effective duplicate removal while maintaining sorted order. Learn to apply sorted(), join(), list(), and tuple() methods for clean data handling.

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The solution to the problem of removing all duplicate elements present in a string, list, and tuple is given below.

Solution

Python 3.8
# Delete duplicates from string, list and tuple
s = 'Razmattaz'
s = ''.join(sorted(set(s), key = s.index))
print(s)
lst = ['R', 'a', 'a', 'z', 'm', 'a', 't', 't', 'a', 'z']
lst = list(sorted(set(lst), key = lst.index))
print(lst)
tpl = ('R', 'a', 'a', 'z', 'm', 'a', 't', 't', 'a', 'z')
tpl = tuple(sorted(set(tpl), key = tpl.index))
print(tpl)

Explanation

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