Arithmethic
| Operator | Name | Description |
|---|---|---|
a + b |
Addition | Sum of a and b |
a - b |
Subtraction | Difference of a and b |
a * b |
Multiplication | Product of a and b |
a / b |
True division | Quotient of a and b |
a // b |
Floor division | Quotient of a and b, removing fractional parts |
a % b |
Modulus | Integer remainder after division of a by b |
a ** b |
Exponentiation | a raised to the power of b |
-a |
Negation | The negative of a |
a=3**2
b=2**2**3
print(a)
print(b)
print(9**(1/2)) #result is float
print(20//6) # Quotient
print(20%6) # Modulo or remainder
9
256
3.0
3
2
Decimal
Decimal fixed point and floating point arithmetic
For enhanced precision, the decimal module provides support for fast correctly-rounded decimal floating point arithmetic.
from decimal import *
getcontext().prec = 6
Decimal(1) / Decimal(7)
Decimal('0.142857')