我试图编写一个程序,用户输入一个随机文本,如果它有小写字母、大写字母和/或数字,它就会打印出来.
string = input("write something here: ")
if string.isalpha() and not string.isupper():
print("Has letter")
if string.isupper():
print("Has only upper letters")
if string.islower():
print("Has only lower letters")
if string.isdigit():
print("Has numbers")
if string.isalpha() and string.isdigit():
print("Has numbers and letters")