Beginner Fundamentals

Operators

Arithmetic

+   # addition
-   # subtraction
*   # multiplication
/   # division
//  # floor division
%   # remainder
**  # power

Comparison

Return a boolean:

==  # equal
!=  # not equal
>   # greater
<   # less
>=  # greater or equal
<=  # less or equal
print(5 == 5)   # True
print(5 != 3)   # True

Logical

and  # both must be true
or   # at least one true
not  # negate
age = 20
print(age > 18 and age < 65)  # True

Assignment

x = 5
x += 2   # x = x + 2 -> 7
x -= 1   # 6
x *= 3   # 18

Membership

print("a" in "cat")     # True
print(3 in [1, 2, 3])   # True