python call function in another file
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Title: Python Tutorial - Calling a Function in Another File
Introduction:
In Python, organizing code into separate files is a common practice to enhance readability and maintainability. Sometimes, you may need to call a function defined in one file from another file. This tutorial will guide you through the process of calling a function in another file using Python.
Step 1: Create Two Python Files
Let's start by creating two Python files, one for the function definition and another for calling the function.
File 1: my_functions.py
File 2: main_program.py
Step 2: Import the Module
In the main_program.py file, you need to import the module (file) containing the function you want to call. In this case, import my_functions:
Step 3: Call the Function
Now that you've imported the module, you can call the function using the module name followed by the function name:
Step 4: Run the Program
To execute the program, run the main_program.py file. You can do this by navigating to the directory containing the files and running the following command in the terminal:
Output:
Congratulations! You have successfully called a function from another file in Python.
Bonus Tip:
If you want to import only specific functions from a module, you can use the from keyword. For example:
This allows you to use the function without referencing the module name.
Conclusion:
Organizing your code into separate files and calling functions from one file to another is a crucial skill for writing modular and maintainable Python code. By following these steps, you can easily call functions defined in one file from another, making your code more readable and structured.
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