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1. Python 3 Cheat Sheet Mosh
2. Python Syntax Cheat Sheet Pdf
3. Python 3.7 Cheat Sheet

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Cheat sheets can be really helpful when you’re trying a set of exercises related to a specific topic, or working on a project. Because you can only fit so much information on a single sheet of paper, most cheat sheets are a simple listing of syntax rules. This set of cheat sheets aims to remind you of syntax rules, but also remind you of important concepts as well. You can click here and download all of the original cheat sheets in a single document.

Python Cheat Sheets Last Updated: June 2, 2020 Here at PythonForBeginners, we have put together a couple of Python Cheat Sheets that we would like to share with you readers. Tag - python cheat sheet mosh. Programming Books. Programming Languages. Python Programming Books. Python Python Cheatsheet for Beginners pdf. Beginning Flutter Guide Notes PDF. 5 Best Free IOS Games For IPhone And IPad. Download Free Pdf Beginners Python Cheat sheet for all Programmers 2021 When someone is trying out a set of exercises on a specific topic, or working on a project, cheatsheet can be really helpful. So programmer can fit so much information on just one sheet of paper, most fraudulent sheets.

An updated version of these sheets is also available through Leanpub and Gumroad. The updated version includes a sheet that focuses on Git basics, a printer-friendly b&w version of each sheet, and each sheet as a separate document. The updated versions are available at no cost on both platforms.

Individual Sheet Descriptions

• Beginner’s Python Cheat Sheet
  • Provides an overview of the basics of Python including variables, lists, dictionaries, functions, classes, and more.
• Beginner’s Python Cheat Sheet - Lists
  • Focuses on lists: how to build and modify a list, access elements from a list, and loop through the values in a list. Also covers numerical lists, list comprehensions, tuples, and more.
• Beginner’s Python Cheat Sheet - Dictionaries
  • Focuses on dictionaries: how to build and modify a dictionary, access the information in a dictionary, and loop through dictionaries in a variety of ways. Includes sections on nesting lists and dictionaries, using an OrderedDict and more.
• Beginner’s Python Cheat Sheet - If Statements and While Loops
  • Focuses on if statements and while loops: how to write conditional tests with strings and numerical data, how to write simple and complex if statements, and how to accept user input. Also covers a variety of approaches to using while loops.
• Beginner’s Python Cheat Sheet - Functions
  • Focuses on functions: how to define a function and how to pass information to a function. Covers positional and keyword arguments, return values, passing lists, using modules, and more.
• Beginner’s Python Cheat Sheet - Classes
  • Focuses on classes: how to define and use a class. Covers attributes and methods, inheritance and importing, and more.
• Beginner’s Python Cheat Sheet - Files and Exceptions
  • Focuses on working with files, and using exceptions to handle errors that might arise as your programs run. Covers reading and writing to files, try-except-else blocks, and storing data using the json module.
• Beginner’s Python Cheat Sheet - Testing Your Code
  • Focuses on unit tests and test cases. How to test a function, and how to test a class.
• Beginner’s Python Cheat Sheet - Pygame
  • Focuses on creating games with Pygame. Creating a game window, rect objects, images, responding to keyboard and mouse input, groups, detecting collisions between game elements, and rendering text.
• Beginner’s Python Cheat Sheet - matplotlib
  • Focuses on creating visualizations with matplotlib. Making line graphs and scatter plots, customizing plots, making multiple plots, and working with time-based data.
• Beginner’s Python Cheat Sheet - Pygal
  • Focuses on creating visualizations with Pygal. Making line graphs, scatter plots, and bar graphs, styling plots, making multiple plots, and working with global datasets.
• Beginner’s Python Cheat Sheet - Django
  • Focuses on creating web apps with Django. Installing Django and starting a project, working with models, building a home page, using templates, using data, and making user accounts.

Available from No Starch Press and Amazon.

Resource

String

File

Set & Mapping

Set Types

• len(s)
• x in s
• x not in s

Mapping Types

• len(d)
• d[key]
• d[key] = value
• del d[key]
• key in d
• key not in d
• iter(d)

Date Time

Array

Indexes and Slices

• a=[0,1,2,3,4,5]
• 6
• len(a)
• 0
• a[0]
• 5
• a[5]
• 5
• a[-1]
• 4
• a[-2]
• [1,2,3,4,5]
• a[1:]
• [0,1,2,3,4]
• a[:5]
• [0,1,2,3]
• a[:-2]
• [1,2]
• a[1:3]
• [1,2,3,4]
• a[1:-1]
• Shallow copy of a
• b=a[:]

Math

Constants

• math.pi
• The mathematical constant π = 3.141592..., to available precision.
• math.e
• The mathematical constant e = 2.718281..., to available precision.

Random

Sys

Sys Variables

• argv
• Command line args
• builtin_module_names
• Linked C modules
• byteorder
• Native byte order
• check_-interval
• Signal check frequency
• exec_prefix
• Root directory
• executable
• Name of executable
• exitfunc
• Exit function name
• modules
• Loaded modules
• path
• Search path
• platform
• Current platform
• stdin, stdout, stderr
• File objects for I/O
• version_info
• Python version info
• winver
• Version number

sys.argv

• foo.py
• sys.argv[0]
• bar
• sys.argv[1]
• -c
• sys.argv[2]
• qux
• sys.argv[3]
• --h
• sys.argv[4]

OS

os Variables

• altsep
• Alternative sep
• curdir
• Current dir string
• defpath
• Default search path
• devnull
• Path of null device
• extsep
• Extension separator
• linesep
• Line separator
• name
• Name of OS
• pardir
• Parent dir string
• pathsep
• Patch separator
• sep
• Path separator

Class

Special Methods

• __new__(cls)
• __lt__(self, other)
• __init__(self, args)
• __le__(self, other)
• __del__(self)
• __gt__(self, other)
• __repr__(self)
• __ge__(self, other)
• __str__(self)
• __eq__(self, other)
• __cmp__(self, other)
• __ne__(self, other)
• __index__(self)
• __nonzero__(self)
• __hash__(self)
• __getattr__(self, name)
• __getattribute__(self, name)
• __setattr__(self, name, attr)
• __delattr__(self, name)
• __call__(self, args, kwargs)

String Formatting

Formatting Operations

• 'd'
• Signed integer decimal.
• 'i'
• Signed integer decimal.
• 'o'
• Signed octal value.
• 'u'
• Obsolete type – it is identical to 'd'.
• 'x'
• Signed hexadecimal (lowercase).
• 'X'
• Signed hexadecimal (uppercase).
• 'e'
• Floating point exponential format (lowercase).
• 'E'
• Floating point exponential format (uppercase).
• 'f'
• Floating point decimal format.
• 'F'
• Floating point decimal format.
• 'g'
• Floating point format. Uses lowercase exponential format if exponent is less than -4 or not less than precision, decimal format otherwise.
• 'G'
• Floating point format. Uses uppercase exponential format if exponent is less than -4 or not less than precision, decimal format otherwise.
• 'c'
• Single character (accepts integer or single character string).
• 'r'
• String (converts any Python object using repr().
• 's'
• String (converts any Python object using str()
• '%'
• No argument is converted, results in a '%' character in the result.

Python 3 Cheat Sheet Mosh

Date Formatting

Python Syntax Cheat Sheet Pdf

Date Formatting

Python 3.7 Cheat Sheet

• %a
• Abbreviated weekday (Sun)
• %A
• Weekday (Sunday)
• %b
• Abbreviated month name (Jan)
• %B
• Month name (January)
• %c
• Date and time
• %d
• Day (leading zeros) (01 to 31)
• %H
• 24 hour (leading zeros) (00 to 23)
• %I
• 12 hour (leading zeros) (01 to 12)
• %j
• Day of year (001 to 366)
• %m
• Month (01 to 12)
• %M
• Minute (00 to 59)
• %p
• AM or PM
• %S
• Second (00 to 61?)
• %U
• Week number1 (00 to 53)
• %w
• Weekday2 (0 to 6)
• %W
• Week number3 (00 to 53)
• %x
• Date
• %X
• Time
• %y
• Year without century (00 to 99)
• %Y
• Year (2008)
• %Z
• Time zone (GMT)
• %%
• A literal '%' character (%)