How to open cmd in python

There are three ways to open cmd (command prompt) in Python: os.system(): Execute the command string as a subprocess. subprocess.Popen(): Creates and returns an object representing the subprocess. subprocess.call(): Create and wait for the subprocess to complete, returning the exit code.

Open cmd in Python

To open cmd (command prompt) through Python, you can use the following method ：

Method 1: os.system()

<code class="python">import os
os.system("cmd")</code>

Method 2: subprocess.Popen()

<code class="python">import subprocess
subprocess.Popen("cmd")</code>

Method 3: subprocess.call()

<code class="python">import subprocess
subprocess.call("cmd")</code>

Explanation:

• os.system() The function starts with Execute the command string as a subprocess.
• subprocess.Popen() The function creates and returns an object representing the subprocess.
• subprocess.call() The function creates and waits for the subprocess to complete, and then returns the process exit code.

All three methods can open cmd, but there are a few things to note:

• These methods will open cmd in the current working directory.
• If you need to open cmd in a specific directory, please use the cwd parameter.
• subprocess.Popen() and subprocess.call() allow you to capture the output and errors of a subprocess.

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