How to run a program in python

The running of a Python program is divided into two steps: 1. Use a text editor or IDE to write code in a Python file; 2. Use a Python interpreter, IDLE or a third-party IDE to run the code.

How to run a Python program

The running of a Python program is divided into two steps:

1. Write code

Use a text editor or IDE to create a Python file (.py). Write your Python code in a file.

2. Run the code

There are several ways to run the Python program:

• Use the Python interpreter: In the command prompt or terminal, navigate to the directory containing the Python files. Type the following command:

<code>python <文件名>.py</code>

For example: python my_program.py

• Using IDLE: IDLE is an interaction that comes with Python development environment. Open IDLE and open or create your Python file. Click the Run menu or press the shortcut F5 to run the code.
• Use third-party IDEs: There are many third-party IDEs, such as PyCharm, VSCode and Jupyter Notebook, that support running Python programs. Open your Python file in the IDE and click the Run button or press the corresponding shortcut key.

Example:

<code class="python"># my_program.py

print("Hello, world!")</code>

Running steps:

• Open a command prompt or terminal.
• Navigate to the directory containing my_program.py.
• Type the following command: python my_program.py
• Press Enter.

Output:

<code>Hello, world!</code>

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