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This tutorial covered sorting of HashMap according to Value. Given parallel lists, how can I sort one while permuting (rearranging) the other in the same way? Oh, ignore, I can do sorted(zip(Index,X,Y,Z)) too. Why does Mister Mxyzptlk need to have a weakness in the comics? The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup. You are using Python 3. What is the shortest way of sorting X using values from Y to get the following output? Guide to Java 8 Collectors: groupingByConcurrent(), Java 8 - Difference Between map() and flatMap(), Java: Finding Duplicate Elements in a Stream, Java - Filter a Stream with Lambda Expressions, Guide to Java 8 Collectors: averagingDouble(), averagingLong() and averagingInt(), Make Clarity from Data - Quickly Learn Data Visualization with Python, // Constructor, getters, setters and toString(), Sorting a List of Integers with Stream.sorted(), Sorting a List of Integers in Descending Order with Stream.sorted(), Sorting a List of Strings with Stream.sorted(), Sorting Custom Objects with Stream.sorted(Comparator If a law is new but its interpretation is vague, can the courts directly ask the drafters the intent and official interpretation of their law? 2. How do I split a list into equally-sized chunks? 1. It puts the capital letter elements first in natural order after that small letters in the natural order, if the list has both small and capital letters. This method will also work when both lists are not identical: /** * Sorts list objectsToOrder based on the order of orderedObjects. The answer of riza might be useful when plotting data, since zip(*sorted(zip(X, Y), key=lambda pair: pair[0])) returns both the sorted X and Y sorted with values of X. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. @Debacle: Please clarify two things: 1) Is there a 1:1 correspondance between listA and listB? How can this new ban on drag possibly be considered constitutional? Why do academics stay as adjuncts for years rather than move around? Other answers didn't bother to import operator and provide more info about this module and its benefits here. How do I generate random integers within a specific range in Java? Starting with the example input you provided: This is also known as the Schwartzian_transform after R. Schwartz who popularized this pattern in Perl in the 90s: Note that in this case Y and X are sorted and compared lexicographically. Sorting values of a dictionary based on a list. Let's save this result into a sortedList: Here we see that the original list stayed unmodified, but we did save the results of the sorting in a new list, allowing us to use both if we need so later on. The solution below is simple and should fix those issues: Location of index in list2 is tracked using cur_loclist. You should instead use [x for (y,x) in sorted(zip(Y,X), key=lambda pair: pair[0])]. That way, I can sort any list in the same order as the source list. For cases like these, we'll want to write a custom Comparator: And now, when we execute this code, we've got the natural order of names, as well as ages, sorted: Here, we've used a Lambda expression to create a new Comparator implicitly and defined the logic for sorting/comparison.