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Start your free trialChristopher Parke
21,978 Pointscreate a new function called main
Dont get what's wrong here.
def show_help():
# print out instructions on how to use the app
print("What should we pick up at the store?")
print("""
Enter 'DONE' to stop adding items.
Enter 'HELP' for this help.
Enter 'SHOW' to see your current list.
""")
def show_list(shopping_list):
# print out the list
print("Here's your list:")
for item in shopping_list:
print(item)
def add_to_list(shopping_list, new_item):
# add new items to our list
shopping_list.append(new_item)
print("Added {}. List now has {} items.".format(new_item, len(shopping_list)))
return shopping_list
def main():
show_help()
# make a list to hold onto our items
shopping_list = []
while True:
# ask for new items
new_item = input("> ")
# be able to quit the app
if new_item == 'DONE':
break
elif new_item == 'HELP':
show_help()
continue
elif new_item == 'SHOW':
show_list(shopping_list)
continue
add_to_list(shopping_list, new_item)
show_list(shopping_list)
2 Answers
Steven Parker
231,248 PointsIt looks like you moved that last line into the loop. It should be inside the function, but not indented so much as to be inside the loop.
Christopher Parke
21,978 PointsHow does python know when my function is over? Feels weird without curly braces in the language.
Steven Parker
231,248 PointsAs you know, python relies on indentation.
It knows your function has ended when it encounters a line that is is not indented, or the end of file.