Python Cheat Sheet

• capitalize()
• center(width, fillchar)
• count(sub, start, end)
• decode()
• encode(encoding, errors)
• endswith(suffix)
• expandtabs(tabsize)
• find(sub)
• format(*args)
• index(sub)
• isalnum()
• isalpha()
• isdigit()
• islower()
• isspace()
• istitle()
• isupper()
• join(iterable)
• ljust(width)
• lower()
• lstrip(chars)
• partition(sep)
• replace(old, new)
• rfind(sub)
• rindex(sub)
• rjust(width)
• rpartition(sep)
• rsplit(sep)
• rstrip(chars)
• split(sep)
• splitlines()
• startswith(prefix)
• strip(chars)
• swapcase()
• title()
• translate(table)
• upper()
• zfill(width)
• isnumeric()
• isdecimal()

• close()
• flush()
• fileno()
• isatty()
• next()
• read([size])
• readline([size])
• readlines([sizehint])
• xreadlines()
• seek(offset)
• tell()
• truncate([size])
• write(str)
• writelines(seq)

• closed
• encoding
• errors
• mode
• name
• newlines
• softspace

Example: a = [0, 1, 2, 3, 4, 5]

• len(s)
• x in s
• isdisjoint()
• issubset()
• union()
• intersection()
• difference()
• add(elem)
• remove()
• pop()
• clear()

• d[key] = value
• del d[key]
• clear()
• copy()
• get(key)
• keys()
• values()
• items()
• update()
• pop()

• datetime.now()
• date()
• time()
• replace()
• isoformat()
• strftime(format)
• strptime(string, format)

• replace()
• isoformat()
• strftime()

• ceil(x)
• floor(x)
• fabs(x)
• factorial(x)
• pow(x,y)
• sqrt(x)
• log(x)
• math.pi

• cos(x)
• sin(x)
• tan(x)
• degrees(x)
• radians(x)

• random()
• randint(a,b)
• choice(seq)
• shuffle(x)
• sample(pop, k)
• seed(x)

• argv Command line args
• path Search path
• platform Current platform
• stdin/out I/O Objects
• version Python version
• exit() Exit function

• name Name of OS
• sep Path separator
• getcwd() Current Dir
• listdir() List files
• mkdir() Make dir
• remove() Delete file