Debugging Approach

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Problem

Discuss how you would approach debugging a piece of code.

For the practical portion, debug the implementation so it returns the index of the first character that appears exactly once. Use -1 when no unique character exists.

Function signature: def first_unique_char(text):. Input is a string, and output is an integer index.

Constraints

0 <= len(text) <= 10^5
text contains ordinary Unicode characters
Return the lowest index whose character occurs exactly once
Return -1 when no character is unique

Function Signature

def first_unique_char(text):

Your solutionPython 3

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