Explanation:
It's placed near the door. When a visitor presses the button, the bell rings inside alerting you that someone is at the door.
first = input("Please input your first name: ")
last = input("Please input your last name: ")
print(last+", "+first)
I hope this helps!
I would think option A.
b doesn't give enough information and c would go under last work experience
above
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explanation: