Unique Character From String

EasyPython

Problem

Write a solution to find the unique character from a string. Treat a character as unique when it appears exactly once, and return the first such character in the original order. Implement find_unique_character(s), where s is a string and the result is that character or "" when no unique character exists.

Constraints

0 <= len(s) <= 1000
The string may contain letters, digits, spaces, and punctuation
Character comparisons are case-sensitive
Return the first character whose frequency is exactly one

Function Signature

def find_unique_character(s):

CodePython 3

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