""" Purpose: demonstrate arithmetic
"""

# Name some variables and print their values
a = 20
b =  3

print( "Values of interest" )
print( "a:", a )
print( "b:", b )
print()

# Perform calculations
total        = a +  b
difference   = a -  b
product      = a *  b
dec_quotient = a /  b
int_quotient = a // b
power        = a ** b
remainder    = a %  b

# Print results
print( "Results" )

print( "a + b: ", total )
print( "a - b: ", difference )
print( "a * b: ", product )
print( "a / b: ", dec_quotient )
print( "a // b:", int_quotient )
print( "a ** b:", power )
print( "a % b: ", remainder )