我的if语句不会响应字符串输入

Question

我无法得到这个来回应输入。打印＆＃39;你打字就像你有一个选择！＆＃39;无论我输入什么

    redy = raw_input('Are you ready for this amazingness?')

        if redy == 'yes' or 'Yes' or 'Yup' or 'yup' or 'ya' or 'Ya':

            print'You typed that like you had a choice!'