from math import sqrt       #sqrt function is part of math module
from random import random   #random function is part of random module
                            #from module import function list

#using built-in functions, return values
x = float(input("Please enter a number: "))
root = sqrt(x)      #using sqrt function, a block of code that performs a task
print("Square root of ",x, "=", root)
print(type(sqrt(16.0)))

print("Generating a random number (0..1): ")
print(random())

help(input)  #get info/help of built-in function input