NB: Numbers

Built-in Functions

These are built-in mathematical functions for numbers.

pow(2,3) # 2 raised to 3 = 8

abs(-2) # returns 2, the absolute value of its argument

Rounding up or down its argument (to closest whole number).

round(2.8) # rounds up to 3.0

round(1.1) # rounds down to 1.0

See the Python docs on the math library.

import math

math.sqrt?

Signature: math.sqrt(x, /)
Docstring: Return the square root of x.
Type:      builtin_function_or_method

# sqrt(intOne)

math.sqrt(12) # using the square-root function from the math library

3.4641016151377544

print(math.floor(2.5)) # returns largest whole number less than the argument
print(math.floor(2.9))
print(math.floor(2.1))

2
2
2

math.log?

math.log(100, 10)

math.log(256, 2)

import random

random.random?

print(random.random()) # using random() function in random library
    # will return a number between 0 and 1

random.randint?

print(random.randint(1,100)) # specify a range in the parenthesis
    # this will return a random integer in the range 1-100