Typeerror user object object is not callable. 'int' object is not iterable. argument of type 'int' is not iterable. object null is not iterable. 'builtin_function_or_method' object is not iterable.

Typeerror user object object is not callable. 'int' object is not iterable. argument of type 'int' is not iterable. object null is not iterable. 'builtin_function_or_method' object is not iterable.
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