dict_for.py

numbers = {
    1: "one",
    2: "two",
    3: "three"
}

for key in numbers:
    print(key)

'''
1
2
3
'''
for key in numbers.keys():
    print(key)
'''
1
2
3
'''

for val in numbers.values():
    print(val)

'''
one
two
three
'''

for key, value in numbers.items():
    print(key, value)

'''1 one
2 two
3 three'''