python字典遍历所有的键值对

age = {

    'Tom': 18,

    'Jerry': 12,

    'Bob': 23,

    'Ann': 31

}

for key, value in age.items():

    print(f"Key:{key},Value:{value}")

# output:

# Key:Tom,Value:18

# Key:Jerry,Value:12

# Key:Bob,Value:23

# Key:Ann,Value:31