numbers&mathOperations.py

# Numbers and simple math operations in python
# importing math module for basic math functions
# for understanding modules see modules.py
import math

# whole Number or int
myNum = 20
# floating Number or float
myNumFloat = 20.0

# addition
print(45 + 98)

# subtraction
print(34 - 19)

# division
print(36 / 4)

# multiplication
print(11 * 2)

# remainder of a division 
print(9 % 2)

# square
print(57 ** 2)

# cube
print(2 ** 3)

# shorthands for do and assign
myNum += 10 # this is the same as myNum = myNum + 1
myNum -= 5 # ...
myNum *= 2
myNum /= 10

# square root
print(math.sqrt(16))

# returns 2 in power of 6
print(pow(2, 6))

# returns the factorial of 4 
print(math.factorial(4))

# the rest of the built-in functions are in functions.py