Question: Variable userString is assigned with a 3 - character string read from input. Replace the first character in userString with ' = ' if the

Variable userString is assigned with a 3-character string read from input. Replace the first character in userString with '=' if the first character is a digit. Replace the second character in userString with '-' if the second character is a digit. If neither condition is true, userString is not changed.

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