How to run python after it is installed
Python can run on a variety of platforms, including: Interactive interpreter: type Python code directly into the terminal or command prompt to execute. Python script: Create a .py file and run it in a terminal or command prompt. IDLE: The integrated development environment that comes with Python, providing an editor and run button. Jupyter Notebook: An interactive web-based development environment for manipulating and visualizing data. Python module: A file containing other code that can be imported into a program via an import statement.
How Python runs
Python is an interpreted programming language that can run on a variety of platforms. After installing Python, there are several ways to run Python programs:
1. Python interactive interpreter
- Open a terminal or command prompt.
- Enter the
python
command. - This will launch the Python interactive interpreter, where you can type Python code directly and have it executed immediately.
- To exit the interpreter, enter the
exit()
command.
2. Python script
- Create a text file containing Python code and save it with the extension
.py
. - In the terminal or command prompt, navigate to the directory where the script is located.
- Enter the
python script_name.py
command. - This will run the Python code contained in the script.
3. IDLE (Integrated Development Environment)
- IDLE is a simple integrated development environment that comes with Python.
- Open IDLE.
- In the editor window, type or paste your Python code.
- Click the Run button or press F5 to run the code.
4. Jupyter Notebook
- Jupyter Notebook is a web-based interactive development environment for processing and visualizing data.
- After installing Jupyter Notebook, open a command prompt and enter the
jupyter notebook
command. - This will launch the Jupyter Notebook interface in the browser.
- In the notebook, create a new cell and type your Python code.
- Click the "Run" button next to the cell to execute the code.
5. Using Python modules
- Python modules are files that contain additional code that can be imported into your Python program.
- To import a module, use the
import module_name
statement. - You can then use the functions and classes in the module.
- For example, to import the
math
module with math functions, enterimport math
.
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