虽然在Python中的for循环与其它语言不大一样,但跳出循环还是与大多数语言一样,可以使用关键字continue跳出本次循环或者break跳出整个for循环。
break
# encoding=UTF-8
for x in range(10):
if x==5:
break
print x
上面使用的break循环,所以执行到x==5的时候就跳出了整个for循环,因此print x语句只打到4的时候就终止了,因此输出结果如图:
continue
# encoding=UTF-8
for x in range(10):
if x==5:
continue
print x
上面循环使用了continue跳出本次循环,因此只有在x==5的时候跳出本次循环,接着下次继续,因此print x语句只有在x==5的时候没有执行到,其它值均执行到了,输出结果如图:

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Useaforloopwheniteratingoverasequenceorforaspecificnumberoftimes;useawhileloopwhencontinuinguntilaconditionismet.Forloopsareidealforknownsequences,whilewhileloopssuitsituationswithundeterminediterations.

Pythonloopscanleadtoerrorslikeinfiniteloops,modifyinglistsduringiteration,off-by-oneerrors,zero-indexingissues,andnestedloopinefficiencies.Toavoidthese:1)Use'i


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