Re: How to check if a list contains an item

online.service@gmail.com wrote: python doesn't have a list.contains() method? Because it doesn't need one? >>> x = [1,2,3,4] >>> 2 in x True >>> 42 in x False pedantic side-note, objects can have a __contains__ method which is used under the covers for "in" testing, so your

Re: How to check if a list contains an item

online.service@gmail.com wrote: > python doesn't have a list.contains() method? It has. It's called list.__contains__() and used indirectly through the 'in' operator: >>> "red" in ["red", "green", "blue"] True >>> "yellow" in ["red", "green", "blue"] False -- http://mail.python.org/mailma

Re: How to check if a list contains an item

online.service@gmail.com wrote: python doesn't have a list.contains() method? It does have a __contains__ method, but that's not called directly. Use "item in my_list" instead (and the opposite is "item not in my_list"). -- http://mail.python.org/mailman/listinfo/python-list

Re: How to check if a list contains an item

online.service@gmail.com wrote: python doesn't have a list.contains() method? How about the 'in' operator? In [1]: l1=['aa', 'bb', 'cc'] In [2]: 'aa' in l1 Out[2]: True In [3]: 'ab' in l1 Out[3]: False In [4]: 'cc' in l1 Out[4]: True Will this help? Esmail -- http://mail.python.o

How to check if a list contains an item

python doesn't have a list.contains() method? thanks -- http://mail.python.org/mailman/listinfo/python-list