import math
math.sqrt(25)
from math import sqrt
sqrt(25) # no longer have to reference the module
from math import cos, floor
from os import *
import numpy as np
dir(math)
import math
math.sqrt(25)
from math import sqrt
sqrt(25) # no longer have to reference the module
from math import cos, floor
from os import *
import numpy as np
dir(math)