ok so im doing the thing from this website
http://programming-crash-course.com/programed_interactivityhere is my code from notepad
gallon_price = 2.41
print
print "This program calculates a car mileage"
print
# A line starting with a # is a comment
# Use it to comment important parts of your code
#
# The raw_input() function asks the user for a text
# As a text can't be multiplied or divided the
# float() function tranforms the text into a decimal number
#
distance = float(raw_input("How many miles were measured ? "))
print
consumed = float(raw_input("How many gallons of gas were consumed ? "))
mpg = distance / consumed
cost = gallon_price / mpg
print
print "mileage is", mpg, "miles per gallon"
print
print "cost is US$", cost, "per mile"
print
whenever i execute the programs it gives me the prompts and then once i answer them the screen just goes away and gives me no answe