Python：05打印字母联想英文周一到周日（字符串）

week=['Monday','Tuesday','Wendnesday','Thursday','Friday','Saturday','Sunday'] while True:     myStr=input("请输入一个字符：")     upMyStr=myStr.upper()     for weeks in week:         if upMyStr==weeks[0]:             if weeks.startswith("M"):                 print('Monday星期一')             elif weeks.startswith("W"):                 print('Wendnesday星期三')             elif weeks.startswith("F"):                 print('Friday星期五')             elif weeks.startswith("T") or weeks.startswith("S"):                 secondStr=input("请再输入一个字符：")                 newStr=myStr+secondStr                 print(newStr)                 for weekStr in week:                     if weekStr.find(newStr,0,2)!=-1:                         if newStr=="Tu":                             print('Tuesday星期二')                         elif newStr=="Th":                             print('Thursday星期四')                         elif newStr == "Sa":                             print('Thursday星期六')                         elif newStr == "Su":                             print('Thursday星期日')                         break             break