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Print Distinct Characters In Order
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Print Distinct Characters In Order

EasyPython

Problem

Write a program to print all distinct characters of a string in the order they appear.

Implement def distinct_characters(s):, where s is a string. Return a string containing each character once, preserving the order of its first occurrence. Treat uppercase and lowercase characters as distinct, and preserve spaces and punctuation as ordinary characters.

Input length may range from 0 to 10,000 characters.

Constraints

  • 0 <= len(s) <= 10^4
  • The input may contain letters, digits, spaces, punctuation, and mixed case
  • Character comparison is case-sensitive

Function Signature

def distinct_characters(s):
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