''' Purpose: show how to get a number with desired number of significant digits
    after the decimal point.  makes use of round() capabilities.
'''

# get input and convert to decimal
reply = input( "Enter number: " )
number = float( reply )

print()

# compute the seven wanted versions of number
number5 = round( number, 5 )
number4 = round( number, 4 )
number3 = round( number, 3 )
number2 = round( number, 2 )
number1 = round( number, 1 )
number0 = round( number, 0 )
rounded = round( number    )

# display original number and its seven variants
print( number  )
print( number5 )
print( number4 )
print( number3 )
print( number2 )
print( number1 )
print( number0 )
print( rounded )