Oct 17, 2012 · Given a list xs and a value item, how can I check whether xs contains item (i.e., if any of the elements of xs is equal to item)? Is there something like xs.contains(item)? For performance

The difference is, I wanted to check if a string is part of some list of strings whereas the other question is checking whether a string from a list of strings is a substring of another string. Similar, but not quite …

Contains () function `in` in if condition in python Asked 10 years, 2 months ago Modified 10 years, 2 months ago Viewed 11k times

In Python 3, filter doesn't return a list, but a generator-like object. Finding the first occurrence If you only want the first thing that matches a condition (but you don't know what it is yet), it's fine to use a for …

Apr 22, 2013 · The original question by @h1h1, as interpreted by most who answered it, was to identify if one list contains any of the same elements of another list. The question has been changed to …

Using any () and all () to check if a list contains one set of values or another Asked 12 years, 4 months ago Modified 1 year, 4 months ago Viewed 337k times

What is the fastest way to check if a value exists in a very large list (with millions of values) and what its index is?

94 How can I test if a list contains another list (ie. it's a contiguous subsequence). Say there was a function called contains:

90 I have a dataframe, which contains info about movies. It has a column called genre, which contains a list of genres it belongs to. For example:

Aug 9, 2010 · 573 Does Python have a string contains substring method? 99% of use cases will be covered using the keyword, in, which returns True or False: