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A hello world program looks like:

{{{
{{{
#!/usr/bin/env python
print("Hello, world")
}}}

A program is more commonly structured like:

{{{
#!/usr/bin/env python
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#!/usr/bin/env python2
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# or
chmod 755 hello.py
./hello.py
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 * [[Python/Pipx|pipx]]
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 * [[Python/UWSGI|uWSGI]]  * [[Python/Uwsgi|uWSGI]]
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 * [[Python/CollectionsAbc|collections.abc]]  * [[Python/Collections/Abc|collections.abc]]
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 * [[Python/Datetime/Date|datetime.date]]
 * [[Python/Datetime/Datetime|datetime.datetime]]
 * [[Python/Datetime/Time|datetime.time]]
 * [[Python/Datetime/TimeDelta|datetime.timedelta]]
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 * [[Python/Email/ContentManager|email.contentmanager]]
 * [[Python/Email/Errors|email.errors]]
 * [[Python/Email/Message|email.message]]
 * [[Python/Email/Parser|email.parser]]
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 * [[Python/OsPath|os.path]]  * [[Python/Os/Path|os.path]]
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[[https://pymotw.com/3/|Python Module of the Week blog]]

Python

The Python programming language is an interpreted, duck-typed language.

On most platforms, the interpreter is called by python(1). Some platforms distribute with version suffixes that may or may not be optional. The py(1) launcher is also available.


Example

print("Hello, world")

A program is more commonly structured like:

def main():
    print("Hello, world")

if __name__ == "__main__":
    main()

If using Python 2, the print command is instead a statement.

print "Hello, world"

To run the program, try:

python hello.py


Tool chain

Applications and Servers

Language

Parser Modules and Classes

This is a mixture of standard library modules and third-party modules.

Configuration Files

CSV

JSON

HTML

PDF

TOML

XML

Standard Library Modules

Third-Party Modules

Creating Libraries


See also

The Python Language Reference

The Python Standard Library, the standard library reference manual

Python Module of the Week blog


CategoryRicottone

Python (last edited 2025-12-23 05:22:18 by DominicRicottone)