5 мар. 2012 г. · Python string method rindex() returns the last index where the substring str is found, or raises an exception if no such index exists, ...

29 апр. 2021 г. · I would like to find the index of the last element that is lower or equal to three. In this example the element is 2.8 and the index is 5.

25 окт. 2011 г. · The best and fast way to obtain the content of the last index of a list is using -1 for number of index.

7 апр. 2013 г. · The problem that I have is that I would like to retrieve the value of a column for the first and last entries of a data frame.

6 февр. 2009 г. · Sequences have a method index(value) which returns index of first occurrence - in your case this would be verts.index(value) .

31 июл. 2011 г. · A one-liner that's like Ignacio's except a little simpler/clearer would be max(loc for loc, val in enumerate(li) if val == 'a')

23 окт. 2019 г. · Call the tail() function with the argument 1 (you want one element from the end, or the last element), and index[0] on this, which returns the index of the ...

25 июн. 2020 г. · def find_substring_index(string, substring): return string.index(substring) + len(substring) - 1 Subtract 1 because you want the index of the last character.

19 сент. 2021 г. · I am assuming that you want to compare the characters and get the 'smaller' one (lexicographically). You can use list comprehension and min for that.

21 янв. 2019 г. · I'm trying to determine the index point of the last string element that is not '\n'. In the above example the index point would be 2 as '4' is the last element ...