format(1): num1 = eval(input('input num1:'))num2 = eval(input('input num2:'))sum1 = float(num1) + float(num2)~1#print (('{0}+{1}={2}'.format(num1, num2, sum1)))~2#print (('{x}+{y}={z}'.format(x=num1, y=num2, z=sum1)))

format(2):fmt = '{0:15} ${1:>6}'print (fmt.format('Registr', 888835))