How to implement automatic formatting of Python code in PyCharm

How to use PyCharm to realize automatic formatting of code

Introduction:
In the process of writing code, the format of the code is very important for reading and maintenance of. Good code formatting can improve the readability of code and improve the efficiency of collaboration between programmers. As an excellent Python integrated development environment, PyCharm provides powerful code editing functions, including automatic formatting of code. This article will introduce how to use PyCharm to realize automatic formatting of code and provide specific code examples.

1. Set the automatic formatting option of PyCharm

1. Open PyCharm and open the Python file to be formatted.
2. Click "File" in the menu bar, and then select "Settings".
3. In the pop-up "Settings" dialog box, find the "Editor" option, expand it and select "Code Style".
4. In the "Code Style" tab, select the language option corresponding to Python.
5. In the "Python" tab on the right, you can see a series of code formatting options, which can be configured as needed.
6. After the configuration is completed, click the "Apply" and "OK" buttons to save the settings.

2. Use PyCharm to automatically format the code

1. Open the Python file to be formatted.
2. Use the shortcut key Ctrl Alt L (or select "Code" in the menu bar, and then select "Reformat Code").
3. PyCharm will format the code according to the previously set code formatting options.
4. Check the formatting effect of the code. If you need to further adjust the code format, you can modify the previous settings and repeat the above operations.

3. Example of automatic code formatting

The following is a specific code example to demonstrate how to use PyCharm to implement automatic code formatting.

def sum_numbers(a, b):
    return a+b

def multiply_numbers(a, b):
    return a*b

def main():
    a = 10
    b = 5
    
    result = sum_numbers(a, b)
    print("The sum is:", result)
    
    result = multiply_numbers(a, b)
    print("The product is:", result)

main()

After automatic code formatting in PyCharm, you can get the following formatted code:

def sum_numbers(a, b):
    return a + b

def multiply_numbers(a, b):
    return a * b

def main():
    a = 10
    b = 5

    result = sum_numbers(a, b)
    print("The sum is:", result)

    result = multiply_numbers(a, b)
    print("The product is:", result)

main()

In the above example, two functions are first defined sum_numbers() and multiply_numbers() are used to find the sum and product of two numbers respectively. Then in the main() function, two variables a and b are defined respectively, and the two previously defined functions are called respectively, and the results are printed.

Using PyCharm's automatic formatting function, the indentation, blank lines, spaces on both sides of operators, etc. in the code can be adjusted consistently to make the code more intuitive and readable.

Conclusion:
Code formatting is one of the important aspects of writing high-quality code. By using PyCharm's automatic formatting function, we can avoid the tedious work of manually adjusting code format. I believe that the methods and examples introduced in this article can help readers effectively apply PyCharm's automatic code formatting function and improve the readability and maintainability of the code.

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