This cheat sheet has been created to help you understand Python's high-level and general-purpose programming language.
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argv
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Command line args
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builtin_module_names
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Linked C modules
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byteorder
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Native byte order
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check_interval
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Signal check frequency
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exec_prefix
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Root directory
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executable
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Name of executable
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exitfunc
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Exit function name
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modules
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Loaded modules
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path
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Search path
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platform
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Current platform
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stdin, stdout, stderr
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File objects for I/O
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version_info
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Python version info
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winver
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Version number
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append(item)
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pop(position)
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count(item)
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remove(item)
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extend(list)
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reverse()
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index(item)
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sort()
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insert(position, item)
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replace()
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utcoffset()
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isoformat()
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dst()
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__str__()
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tzname()
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strftime(format)
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__new__(cls)
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__lt__(self, other)
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__init__(self, args)
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__le__(self, other)
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__del__(self)
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__gt__(self, other)
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__repr__(self)
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__ge__(self, other)
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__str__(self)
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__eq__(self, other)
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__cmp__(self, other)
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__ne__(self, other)
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__index__(self)
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__nonzero__(self)
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__hash__(self)
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__getattr__(self, name)
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__getattribute__(self, name)
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__setattr__(self, name, attr)
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__delattr__(self, name)
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__call__(self, args, kwargs)
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len(a)
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6
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a[0]
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0
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a[5]
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5
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a[-1]
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5
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a[-2]
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4
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a[1:]
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[1,2,3,4,5]
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a[:5]
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[0,1,2,3,4]
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a[:-2]
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[0,1,2,3]
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a[1:3]
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[1,2]
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a[1:-1]
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[1,2,3,4]
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b=a[:]
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Shallow copy of a
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Indexes and Slices of a=[0,1,2,3,4,5]
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x + y
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add
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x - y
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subtract
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x * y
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multiply
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x / y
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divide
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x % y
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modulus
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x ** y
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xy
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sys.argv[0]
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foo.py
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sys.argv[1]
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bar
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sys.argv[2]
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-c
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sys.argv[3]
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qux
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sys.argv[4]
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--h
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sys.argv for the command: $ python foo.py bar -c qux --h
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close()
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readlines(size)
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flush()
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seek(offset)
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fileno()
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tell()
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isatty()
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truncate(size)
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next()
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write(string)
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read(size)
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writelines(list)
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readline(size)
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capitalize() *
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lstrip()
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center(width)
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partition(sep)
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count(sub, start, end)
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replace(old, new)
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decode()
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rfind(sub, start ,end)
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encode()
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rindex(sub, start, end)
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endswith(sub)
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rjust(width)
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expandtabs()
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rpartition(sep)
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find(sub, start, end)
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rsplit(sep)
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index(sub, start, end)
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rstrip()
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isalnum() *
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split(sep)
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isalpha() *
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splitlines()
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isdigit() *
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startswith(sub)
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islower() *
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strip()
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isspace() *
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swapcase() *
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istitle() *
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title() *
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isupper() *
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translate(table)
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join()
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upper() *
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ljust(width)
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zfill(width)
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lower()* Methods marked are locale dependant for 8-bit strings.
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Integer
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-256, 15
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Float
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-253.23, 1.253e-10
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String
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"Hello", 'Goodbye', """Multiline"""
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Boolean
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True, False
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List
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[ value, ... ]
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Tuple
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( value, ... )1
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Dictionary
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{ key: value, ... }
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Set
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{ value, value, ... }2
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int(expr)
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Converts expr to integer
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float(expr)
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Converts expr to float
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str(expr)
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Converts expr to string
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chr(num)
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ASCII char num
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int(expr)
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Converts expr to integer
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int(expr)
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Converts expr to integer
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int(expr)
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Converts expr to integer
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today()
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fromordinal(ordinal)
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now(timezoneinfo)
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combine(date, time)
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utcnow()
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strptime(date, format)
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fromtimestamp(timestamp)
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utcfromtimestamp(timestamp)
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altsep
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Alternative sep
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curdir
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Current dir string
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defpath
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Default search path
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devnull
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Path of null device
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extsep
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Extension separator
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linesep
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Line separator
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name
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Name of OS
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pardir
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Parent dir string
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pathsep
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Patch separator
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sep
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Path separator
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Registered OS names: "posix", "nt", "mac", "os2", "ce", "java", "riscos"
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%a
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Abbreviated weekday (Sun)
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%a
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Abbreviated weekday (Sun)
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%A
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Weekday (Sunday)
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%b
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Abbreviated month name (Jan)
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%B
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Month name (January)
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%c
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Date and time
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%d
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Day (leading zeros) (01 to 31)
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%H
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24 hour (leading zeros) (00 to 23)
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%I
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12 hour (leading zeros) (01 to 12)
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%j
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Day of year (001 to 366)
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%m
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Month (01 to 12)
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%M
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Minute (00 to 59)
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%p
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AM or PM
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%S
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Second (00 to 61⁴)
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%U
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Week number¹ (00 to 53)
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%w
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Weekday² (0 to 6)
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%W
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Week number³ (00 to 53)
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%x
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Date
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%X
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Time
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%y
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Year without century (00 to 99)
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%Y
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Year (2008)
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%Z
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Time zone (GMT)
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%%
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A literal "%" character (%)
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x + y
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add
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x - y
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subtract
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Cheatography n. The art of mapping complex subjects into clear, instantly navigable reference guides.
