我在業餘時間學習了一點Python。試圖製作一個電話簿,在這個網站上找到一個; Python assignment for a phonebook。已經使用它作爲模板,但省略了print_menu函數。這是我能看到的唯一區別,但是當我添加一個數字時,它會卡在那部分中。只是要求輸入名稱和編號,而不是轉義if循環。如果任何人都可以告訴我爲什麼我這樣卡住,我會很感激。剛接觸Python(和編程)看不到我要去哪裏錯
phoneBook = {}
def main():
action = input("What would you like to do? \n 1. Add \n 2. Delete \n 3. Print \n 4. Quit \n")
while action != 4:
if action == '1':
name = input("Enter name: ")
num = input("Enter number: ")
phoneBook[name] = num
elif action == '2':
name = input("Delete who?")
if name in phoneBook:
del phoneBook[name]
else:
print("Name not found")
elif action == '3':
print("Telephone numbers: ")
for x in phoneBook.keys():
print("Name: ", x, "\tNumber: ", phoneBook[x])
elif action == '4':
print("Application closed.")
main()
'而行動=「4」:!' –