从字典打印键和值

Question

I have a dictionary :

d = {'A': ['1', '2'],
     'B': ['1', '2'],
     'C': ['2', '2',],
     'D': ['1', '3']}

And I want to write print it like

A 1
A 2
B 1
B 2
C 1
C 2
D 1
D 2

Tried to write

for i in d.keys():
    for j in d2.values():
        print(i,j)

But in gives me ALL combinations not that I need.

Answer 1

Try iterating the dictionary sorted by key. Then, use each key to access the list of numbers for that key.

for i in sorted(d):
    for j in d[i]:
        print(i + ' ' + j)

This prints:

A 1
A 2
B 1
B 2
C 2
C 2
D 1
D 3

Answer 2

here you go -

d = {'A': ['1', '2'],
     'B': ['1', '2'],
     'C': ['2', '2',],
     'D': ['1', '3']}

for (k,v) in d.items():
    i=0
    while i < len(v):
        print(k,v[i])
        i= i+1