import os

def getCalories(question):
    calories = input(question)
    if calories.isdigit():
        calories = int(calories)
        if calories > -1 and calories < 50000:
            return calories
        else:
            print("Invalid amount")
            return getCalories(question)
    else:
        print("Numbers only please")
        return getCalories(question)

def getAweek():
    os.system("clear")
    print("Please enter your calories for the last 7 days")
    week = []
    for i in range(7):
        day = getCalories(question = "Day " + str(i+1) + ":")
        week.append(day)

    total = sum(week)
    average = int(total / 7)

    print("\n\nYour total calorie intake for the week:", total)
    print("\nYour average calorie intake for the week:", average)

    if total > 21000:
        print("\nYou are eating too many calories. You will get fat!")
    elif total < 9000:
        print("\nYou are eating far too few calories. You will become anorexic.")
    input("Press enter to continue") # pause program until user presses enter.
    return week

month = [[],[],[],[]] # Create list 4 week's values (empty at the moment!)
def main():
    os.system("clear")
    print("*********   Welcome to the calorie counter   **********\n\n")
    print("Num\tMon   \tTues  \tWeds  \tThurs  \tFri   \tSat   \tSun   \tAvg   \tTot   ")
    count = 1
    for week in month:
        if len(week) == 7:
            print(count, end="\t")
            for day in week:
                print(day,end="\t")
            print(int(sum(week)/7),end="\t")
            print(sum(week),end="\n")
        else:
            print("")
        #print(str(count) +"\t" + "\t".join([str(x) for x in week]) + ""\n"
        count = count + 1

    weeknum = int(input("\n\nWhich week would you like to edit the values for? (1,2,3,4)"))
    month[weeknum-1] = getAweek()
    main() #Run the main loop again

main()