TypeError int object is not callable on execution sum function in python

Title: Understanding and Resolving TypeError: 'int' object is not callable in Python's sum() Function
Introduction:
TypeError: 'int' object is not callable is a common error that Python developers encounter when using the built-in sum() function. This error occurs when an integer object is mistakenly called as if it were a function. This tutorial aims to explain the cause of this error and provide solutions to resolve it.
Understanding the Error:
The sum() function is designed to take an iterable (e.g., a list, tuple, or any other iterable object) and return the sum of its elements. However, the 'int' object is not callable, meaning you cannot treat an integer as a function by using parentheses () to call it.
Common Causes:
Variable Naming Conflict:
This error often occurs when there is a naming conflict between a variable and the built-in sum function.
Reassigning sum as a Variable:
If you mistakenly reassign the name sum to an integer variable, you lose access to the built-in sum() function.
Code Examples:
Let's explore both common causes with code examples:
Resolving the Error:
To resolve the TypeError: 'int' object is not callable, follow these steps:
Check Variable Names:
Ensure that you are not unintentionally reusing the name sum for a variable.
Choose Descriptive Variable Names:
When using the sum() function, choose a different, more descriptive variable name to avoid conflicts.
Restart the Python Interpreter:
If you mistakenly assigned sum as a variable, consider restarting the Python interpreter to clear any variable assignments.
Conclusion:
By understanding the causes and solutions for the TypeError: 'int' object is not callable, you can avoid common pitfalls when using the sum() function in Python. Be mindful of variable names and choose them wisely to prevent conflicts with built-in functions.
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