phone_book = {"John": 123, "Jane": 234, "Jerard": 345}
print(phone_book)
05c9a9131edfb16973246fa24a629f210a0f6be2
<mask token>

<mask token>
print(phone_book)

phone_book = {'John': 123, 'Jane': 234, 'Jerard': 345}
print(phone_book)

phone_book = {"John": 123, "Jane": 234, "Jerard": 345}
print(phone_book)