temp = input("请输入英文名： ")
name = str(temp)
print(
    "name.title(): " + name.title() + '\n'      #首字母大写
    "name.upper(): " + name.upper() + '\n'      #全部字母大写
    "name.lower(): " + name.lower() + '\n'      #全部字母小写
    )
