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

Sep 19, 2018 · I have a piece of code here that is supposed to return the least common element in a list of elements, ordered by commonality: def getSingle(arr): from collections import Counter c = Counte...

Dec 16, 2011 · How can I create a list which contains only zeros? I want to be able to create a zeros list for each int in range(10) For example, if the int in the range was 4 I will get: [0,0,0,0] and for 7: ...

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 like it's a little faster the first way. Try it yourself with timeit.timeit () or preferably timeit.repeat ().

Since a list comprehension creates a list, it shouldn't be used if creating a list is not the goal; it shouldn't be used simply to write a one-line for-loop; so refrain from writing [print(x) for x in range(5)] for example.

Sep 20, 2010 · List slicing is quite flexible as it allows to replace a range of entries in a list with a range of entries from another list:

Use a list of values to select rows from a Pandas dataframe Asked 12 years, 11 months ago Modified 4 months ago Viewed 1.8m times

Sorted list: [20.455, 23.455, 24.455, 28.455] Are you sure you are not verifying list instead of sortedList [in above example] i.e. you are storing the result of stream() in a new List object and verifying that object?

Sep 14, 2015 · Another common mistake is to initialize a list but try to assign values to it using a key. The initialization probably happened dynamically and it's not clear later on that it's in fact a list. For example, in the following case, d is initialized as a …

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