Use a list of values to select rows from a Pandas dataframe Asked 12 years, 10 months ago Modified 3 months ago Viewed 1.8m times

Dec 3, 2016 · If your list of lists comes from a nested list comprehension, the problem can be solved more simply/directly by fixing the comprehension; please see How can I get a flat result …

Apr 11, 2011 · How can I convert a list to a string using Python?

Nov 1, 2011 · How can I check if a list has any duplicates and return a new list without duplicates?

The first way works for a list or a string; the second way only works for a list, because slice assignment isn't allowed for strings. Other than that I think the only difference is speed: it looks …

Mar 11, 2015 · I tried searching for a command that could list all the file in a directory as well as subfolders using a command prompt command. I have read the help for "dir" command but …

Nov 2, 2010 · When reading, list is a reference to the original list, and list[:] shallow-copies the list. When assigning, list (re)binds the name and list[:] slice-assigns, replacing what was previously …

Sep 20, 2010 · What is the syntax to insert one list into another list in python? [duplicate] Asked 14 years, 9 months ago Modified 6 years ago Viewed 349k times

Feb 2, 2014 · Best in what way, and is this remove elements based on their position or their value?

Here, append () is used to add items ( i.e integer version of string (i) in this program ) to the end of the list (b). Note: int () is a function that helps to convert an integer in the form of string, back to …