Python might in general prefer exceptions, but many users expect there to be a non-exception-raising-find-index method as well, especially as that's how it's done in almost every other language.

Feb 19, 2010 · For example in a string sentence, position of e is 1, 4, 7 (because indexing usually starts from zero). but what I find is both of the functions find() and index() returns first position of a character.

There is an abstraction in here to define a find function. Just encapsulate the the boolean expession of the if in a lambda & you can write find(fn,list) usually instead of obfuscating generator code.

I'm working with Python, and I'm trying to find out if you can tell if a word is in a string. I have found some information about identifying if the word is in the string - using .find, but is there a way to do an if …

Aug 20, 2013 · Over half a millisecond in some cases to find a value in a series of 25. 2022-02-18 Update Updated all the timings with the latest Pandas version and Python 3.9. Even on an older …

Python has string.find() and string.rfind() to get the index of a substring in a string. I'm wondering whether there is something like string.find_all() which can return all found indexes (not only the first …

Dec 16, 2011 · I want an idiomatic way to find the first element in a list that matches a predicate. The current code is quite ugly: [x for x in seq if predicate(x)][0] I've thought about changing it to: from

Apr 1, 2013 · Find maximum value of a column and return the corresponding row values using Pandas Asked 12 years, 8 months ago Modified 9 months ago Viewed 650k times

May 17, 2017 · 243 Python is on my machine, I just don't know where, if I type python in terminal it will open Python 2.6.4, this isn't in it's default directory, there surely is a way of finding it's install location …

724 The majority of answers explain how to find a single index, but their methods do not return multiple indexes if the item is in the list multiple times. Use enumerate():