Detailed explanation of how to open Python after downloading

After Python is downloaded, you can open it with the following methods: Command line: Navigate to the Python installation directory and enter the "python" command. IDLE: Search for and open IDLE (Python Interactive Development Environment). PyCharm: Download and install PyCharm, then create a new Python project.

Detailed explanation of how to open Python after downloading

Introduction

Python is a The popular programming language needs to be opened correctly after installation before it can be used. This article will introduce in detail the different opening methods of Python, including command line, IDLE and PyCharm.

Method 1: Command line

• Open the command line.
• Navigate to the Python installation directory.
• Enter the "python" command.

Example:

C:\Users\Example>cd C:\Python39

C:\Python39>python

Method 2: IDLE

• Search for "IDLE".
• Open IDLE (Python interactive development environment).

Method 3: PyCharm

• Download and install PyCharm.
• Open PyCharm.
• Click "File" -> "New Project".
• Select a Python project template.

Practical case

Suppose you need to write a simple Python program to print "Hello, world!".

Use command line:

C:\Users\Example>cd C:\Python39

C:\Python39>python
Python 3.9.1 (tags/v3.9.1:1e5d33e, Dec  7 2020, 12:00:00) [MSC v.1927 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> print("Hello, world!")
Hello, world!

Use IDLE:

• Open IDLE.
• In the shell window, enter "print("Hello, world!")".
• Press Enter.

Using PyCharm:

• Open PyCharm.
• Create a new Python project.
• In the editor, enter "print("Hello, world!")".
• Click the "Run" button.

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