在python中可以通过in和not in关键字来判读一个list中是否包含一个元素
theList = [‘a’,’b’,’c’]
if ‘a’ in theList:
print ‘a in the list’
if ‘d’ not in theList:
print ‘d is not in the list’
在python中可以通过in和not in关键字来判读一个list中是否包含一个元素
theList = [‘a’,’b’,’c’]
if ‘a’ in theList:
print ‘a in the list’
if ‘d’ not in theList:
print ‘d is not in the list’