# 编写清晰函数
prompt = "If you tell us who you are, we can personalize the messages you see."
prompt += "\nWhat is your first name? "

name = input(prompt)
print("\nHello, " + name + "!")

'''
    If you tell us who you are, we can personalize the messages you see.
    What is your first name? Wang
    
    Hello, Wang!
    
    Process finished with exit code 0
'''