While循环在Python中不起作用

Question

The program will allow me to input the values, but their is no calculations and it doesn't print. I have moved the endProgram input all over and it just turns it into an infinite loop.

def main ():
 endProgram = "no"
 while endProgram == "no":
        totalBottles = getBottles()
        totalPayout = calcPayout(totalBottles)
        printInfo = (totalBottles, totalPayout)
        endProgram = raw_input("Do you want to end the program? Enter yes or no:") 

def getBottles():
    counter = 1
    totalBottles = 0
    todayBottles = 0

    while counter <= 7:
        todayBottles = input("Enter number of bottles for today:")
        totalBottles = totalBottles + todayBottles
        counter = counter + 1
    return totalBottles

def calcPayout(totalBottles):
    totalPayout = 0
    totalPayout = totalBottles * .10
    return totalPayout
def printInfo(totalBottles,totalPayout):
    print "The total bottles collected is:",totalBottles
    print "The total payout is $ :",totalPayout

Answer 1

To print you have to remove = in line (because it assigns values to variable)

 printInfo = (totalBottles, totalPayout)

It has to be:

 printInfo(totalBottles, totalPayout)

This way you call function with variables.

Answer 2

You are assigning a tuple (totalBottles, totalPayout) to a function, that is the reason why is not working.

printInfo is a function that only prints and has no returns... therefore change the statement

printInfo = (totalBottles, totalPayout)

for printInfo(totalBottles, totalPayout)