PythonにおけるTypeError: Unsupported Operand Type(s) for *: 'int' and 'NoneType'の理解

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4 months ago

PythonにおけるTypeError: Unsupported Operand Type(s) for *: 'int' and 'NoneType'の理解

PythonにおけるTypeError: Unsupported Operand Type(s) for *: 'int' and 'NoneType'の理解