Python SyntaxThe core syntax on one sheet — collections, control flow and functions.ComputingPython 3. Indentation defines blocks; there are no braces.Collectionslist [1, 2, 3] – ordered, mutabletuple (1, 2) – ordered, immutabledict {'a': 1} – key/valueset {1, 2} – unique, unorderedControl flowif x: / elif y: / else:for i in range(10):while cond:break · continue · passFunctionsdef f(a, b=1, *args, **kw):return a + blambda x: x * 2f-string: f'{name} is {age}'Idioms[x*2 for x in xs if x > 0]with open(p) as f:enumerate(xs) · zip(a, b)if __name__ == '__main__':A mutable default argument is shared across calls. Use None as thedefault and create the list inside.Python Syntaxlearnposters.com
Python Syntax — printable computing wall chart from LearnPosters. Free vector PDF, US Letter and A4.

What’s on the Python Syntax poster

16 entries in 4 groups.

Python 3. Indentation defines blocks; there are no braces.

A mutable default argument is shared across calls. Use None as the default and create the list inside.

Questions about the Python Syntax poster

What’s on the Python Syntax poster?
16 entries in 4 groups. Python 3. Indentation defines blocks; there are no braces. Collections: list [1, 2, 3] – ordered, mutable, tuple (1, 2) – ordered, immutable, di…; Control flow: if x: / elif y: / else:, for i in range(10):, while cond:, break · cont…; Functions: def f(a, b=1, *args, **kw):, return a + b, lambda x: x * 2, f-string: f'{n…; Idioms: [x*2 for x in xs if x > 0], with open(p) as f:, enumerate(xs) · zip(a, b), if…. A mutable default argument is shared across calls. Use None as the default and create the list inside.
Who is the Python Syntax poster for?
Python Syntax belongs to the Computing section rather than to a school year, because computing is not something one grade owns. Anyone learning languages can pin it up — a beginner, a student mid-course, or someone revising years later.
When should you use the Python Syntax poster?
Indentation is syntax in Python. Four spaces, consistently, and never tabs. A wall chart earns its place by being glanceable from where the work is happening, so Python Syntax belongs on the wall where that computing work actually happens, within glancing distance, rather than filed away.
What other posters go with Python Syntax?
REST API Design, Bash Scripting and Error Handling sit alongside Python Syntax in the Computing section. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.REST API DesignBash ScriptingError Handling
Is the Python Syntax poster free to download and print?
Yes. Python Syntax downloads as a free PDF with no account, no email and no watermark, like everything else in the Computing section. Print as many copies as you like for a home, a classroom, a library or a tutoring group; reselling the file is the only thing the licence rules out.Read the licence
What size does the Python Syntax poster print at?
Python Syntax is a vector PDF laid out for US Letter, and prints on A4 with Fit to page — the same file, no separate download. Because every mark on it is drawn rather than photographed, it stays sharp enlarged to A3, A2 or A1 at a copy shop. Colour carries emphasis only, so a greyscale print of Python Syntax loses nothing.Printing guide

Related posters

Charts that sit alongside Python Syntax on the same wall.

Browse every Computing poster, or start from the full catalogue.