Python@Work (By Build-2-Master) Cheat Sheet by yaohongkok

Python Shell	$ python
Run Script­/File	$ python <fi­len­ame­>.py

Boolean	True; False
Numeric	int(str); float(str)
String	'abcdef'; str(nu­mber)
List	['abc', 1, 2]; list(col)
Tuple (cannot update)	('abc', 1, 2); tuple(col)
Dictionary	{'name': 'john', 'num': 1}; dict['­key'] = val; obj.__­dict__
Set (unique)	set(col)

Modulus	1 % 2 == 1
Exponent	9 ** 2 == 81
Increment	c += a ~~ c=c+a
Decrement	c -= a ~~ c=c-a
Logical AND	(True and False) == False
Logical OR	(True or False) == True
Membership	1 in [1,2,3] == True; 1 not in [1,2,3] == False
Object Identity	Obj1 is Obj2

Substring	'abcd'[1:] == 'bcd'; 'abcd'[:-1] == 'abc'
Find	str.find(otherstr)
Check if number	str.isdigit()
Join	"­-".join(["a­"­,"b"]) == "­a-b­"

Length	len(str)
Lower, Upper Case	str.lower(); str.upper()
Split	"a b".split(" ") ==['a'­,'b']

Index	['a', 'b', 'c'][1:] == ['b','c']
Length	len([1,2,3]) == 3
Concon­tenate	[1,2] + [3,4] == [1,2,3,4]
Append	[1,2].append(3) == [1,2,3]
Pop	[1,2,3].pop(1) == 2
Remove	[1,2,3].remove(1)
Sort	[2,1,3].sort() == [1,2,3]