python break 2 nested loops code example

Example 1: how to exit a double loop in python

for word1 in buf1: 
    find = False 
    for word2 in buf2: 
        ... 
        if res == res1: 
            print "BINGO " + word1 + ":" + word2 
            find = True 
            break             # <-- break here too
    if find: 
        break

Example 2: how to break out of nested loops python

x_loop_must_break = False

for x in [1, 2, 3]:
    print(f"x is {x}")
    for y in [1, 2, 3]:
        print(f"y is {y}")
        if y == 2:
            x_loop_must_break = True
            break
    if x_loop_must_break: break