How to Fix 'TypeError unsupported operand types for + 'int' and 'NoneType''

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#pythonforbeginners
Learn how to solve the common error "TypeError unsupported operand types for + 'int' and 'NoneType'" in Python. This tutorial covers the causes of the error and provides step-by-step solutions.
"#" included: #Python #TypeError #ProgrammingError #PythonError #ProgrammingTips .

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how can add a handler in order to validate all errors that came like these kind unsupported operand type(s) for *: 'int' and 'NoneType'

robertoenriquegarciamartinez