可能不是您想要的，但是通常您需要将Afterbreak设置find为True
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
另一种方法是使用生成器表达式将squash压缩for为单个循环
for word1, word2 in ((w1, w2) for w1 in buf1 for w2 in buf2):
...
if res == res1:
print "BINGO " + word1 + ":" + word2
break
您也可以考虑使用 itertools.product
from itertools import product
for word1, word2 in product(buf1, buf2):
...
if res == res1:
print "BINGO " + word1 + ":" + word2
break
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