1
message1="I love you ,China!"
print(message1)
message2="wO aI ni zhong guo"
print(message2.title()) ##首字母大寫
print(message2.upper()) ##字符串全部大寫
print(message2.lower()) ##字符串全部小寫
message3=message1.title()+" "+message2.upper() ##字符串拼接
print(message3)
2
print("\tleslie") ##/t製表符
print("language:\nchinese\nenglish\njanpanese") ##換行符
print("language:\n\tchinese\t\nenglish\n\tjanpanese") ##製表符和換行符混用