Remove Duplicates

Lists · Intermediate · 60 XP · about 7 min

Write a function called remove_duplicates(lst) that returns a new list with duplicate elements removed, preserving the original order.

Example

remove_duplicates([1, 2, 2, 3, 1, 4])    # Returns [1, 2, 3, 4]
remove_duplicates(["a", "b", "a", "c"])  # Returns ["a", "b", "c"]
remove_duplicates([1, 1, 1])             # Returns [1]

Requirements

Return a new list without duplicates
Preserve the order of first occurrence
Handle both numbers and strings

def remove_duplicates(lst):

# Your code here

pass

# Test your function

print(remove_duplicates([1, 2, 2, 3, 1, 4]))

print(remove_duplicates(["a", "b", "a", "c"]))

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