Code Academy - Learn Python : CONDITIONALS & CONTROL FLOW

1. if - elif - else : 

if input == "a"  or input == "b" :

print "input is a or b"

elif input == "c"  : 

print "input is c"

else:

print "input is else"

2. Comparator

(20 - 10) > 15         # False

(10 + 17) == 3**16  # Fasle

1**2 <= -1             # False

40 * 4 >= -4           # True

100 != 10**2           # True

3. Boolean Operator

1) AND

A	B	A AND B
True	True	True
True	False	False
False	True	False
False	False	False

2) OR

A	B	A OR B
True	True	True
True	False	True
False	True	True
False	False	False

3) Not

A	Not A
True	False
False	True