""" Purpose: demonstrate decimal arithmetic 
"""

# Name some variables and print their values
x = 2.71
y = 3.14


print( "Values of interest" )
print( "x:", x )
print( "y:", y )
print()

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

# Print results
print( "Results" )
print( "x + y: ", total )
print( "x - y: ", difference )
print( "x * y: ", product )
print( "x / y: ", dec_quotient )
print( "x // y:", int_quotient )
print( "x ** y:", power )
print( "x % y: ", remainder )


# terminating decimals is possible,
z = 1.49872367491867501923856120938472
rz = round(z,3)
print( "rz: ", rz )
# round() function has an option to specify the number of decimal points you want to round to