Question

我创建了两个字符串：edibles和vz。我希望创建一个循环，要求用户1）输入食物2）告诉我是否对它过敏。如果用户从edibles字符串中输入名称，则会被告知过敏。如果用户从vz字符串中输入名称，则不会过敏。我还为两个字符串中都不包含的食品提供了一个选项。

目前，我的代码分别处理这些项。我需要帮助找出如何将输入与字符串匹配，而无需为每个项目添加elif行。

edibles = ["ham", "jachnun", "tiger", "ostrich head","eggs","nuts", "spam"]
vz = ["gefilte fish", "liver", "chrain", "sushi", "cholent"]
edv = vz + edibles

while True:
    sval = input('Enter a food: ')
    if sval == "spam":
        print("I'm allergic to: " + sval + " Get it away from me")
    elif sval == "jachnun":
        print("I'm allergic to: " + sval + " Get it away from me")
    elif sval == "gefilte fish":
        print("I am not allergic to " + sval)
    elif sval == "done":
        break
    else:
        print(sval + " is an unfamiliar item" )
print('Thank you for respecting my allergies')

Answer 1

我不知道您为什么需要edv。一个人可能也可以使用一些数据帧来解决这一问题。这是您要求摆脱冗余elif的解决方案。

while True:
    sval = input('Enter a food: ')
    if sval in edibles:
        print("I'm allergic to: " + sval + " Get it away from me")
    elif sval in vz:
        print("I am not allergic to " + sval)
    elif sval == "done":
        break
    else:
        print(sval + " is an unfamiliar item" )

Python输入与字符串内容不匹配

1 个答案: