Modules

Import modules

import math
print(math.sqrt(16))  # => 4.0

From a module

from math import ceil, floor
print(ceil(3.7))   # => 4.0
print(floor(3.7))  # => 3.0

Import all

from math import *

Shorten module

import math as m

# => True
math.sqrt(16) == m.sqrt(16)

Functions and attributes

import math
dir(math)

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