Question: Question Please help me out. It is a Python problem(Reocurring Characters: dictionaries) For a given string s, return the first reoccuring character in the string.

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Please help me out. It is a Python problem(Reocurring Characters: dictionaries)

For a given string s, return the first reoccuring character in the string. Try to get an approach that is (), where is the number of characters in the string. If there is no such character, return None.

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