劉娀德

1. v1="hi"
   
2. v2="404"
   
3. v3="noname"
   
4. v4="1000"
   
5. ###
   
6. print("I am {},{} years old".format(v1,v2))
   
7. print(f"I am {v3},{v4} years old")

複製代碼

end:

I am hi,404 years old
I am noname,1000 years old