Python实现单词词典 输入0释义数无法输出已有词条Bug排查

class_list = []
keys = []
meanings = []

def script():
    key = input("Enter the word: ")
    no_meanings = int(input("\nEnter the no of meanings: "))
    meanings.append(no_meanings)
    keys.append(key)
    print(keys)
    print(meanings)

print("\nEnter the meanings: ")
for i in range(no_meanings):
    listVal = input()
    class_list.append(listVal)
    text = '\n'.join(class_list)

if(no_meanings <= 0):
    print("Invalid Input")
    if(len(keys) == 1):
        print("Here's the dictionary you've created: " )
        for i in range(len(keys)):
            for i in range((len(meanings))):
                print(keys[i] + ":" + str(class_list[:int(meanings[i])]))
                del class_list[:int(meanings[i])]
    else:
        print("Here's the dictionary you've created: " )
        for i in range(len(keys)):
            for x in range((len(meanings)//2)):
                print(keys[i] + ":" + str(class_list[:int(meanings[x])]))
                del class_list[:int(meanings[x])]

try:
    restart = input("Do you want to add one more elements to the dictionary? If yes, press 1, else press 0: \n")
except EOFError:
    exit()

if restart == "1":
    script()
elif restart == "0":
    if(len(keys) == 1):
        print("Here's the dictionary you've created: " )
        for i in range(len(keys)):
            for i in range((len(meanings))):
                print(keys[i] + ":" + str(class_list[:no_meanings]))
                del class_list[:no_meanings]
    else:
        print("Here's the dictionary you've created: " )
        for i in range(len(keys)):
            for x in range((len(meanings)//2)):
                print(keys[i] + ":" + str(class_list[:no_meanings]))
                del class_list[:no_meanings]


else:
    print("Invalid Input")
    print("Here's the dictionary you've created: ")
    for i in range(len(keys)):
        for i in range((len(meanings))):
            print(keys[i] + ": " + str(class_list[:no_meanings]))
            del class_list[:no_meanings]
script()

• 持续添加单词和释义时运行异常
• 当输入释义数量为0时，程序无法打印之前已经录入的单词和对应释义

我是编程初学者，耗费多日调试仍未理清逻辑错误，寻求问题排查方案。

内容的提问来源于stack exchange，提问作者carlos