Reverse a List Using the Slice Operator in Python If you prefer not to loop over the list, then use thesliceoperatorto decrement the array index by 1. Similar torange(), the slice operator accepts three arguments:start,stop, andstep. ...
video • Python 3.9—3.13 • June 12, 2023 How can you loop over an iterable in reverse?Reversing sequences with slicingIf you're working with a list, a string, or any other sequence in Python, you can reverse that sequence using Python's slicing syntax:...
1.2 Reverse an Array using the For Loop in Python You can use afor looptoiterate the given arrayin reversing order. In general, therange()function can generate the sequence of numbers, if you set the step param with a negative value, it can generate a sequence of decreasing numbers. To ...
The easiest way to reverse a list in Python isusing slicing([::-1]), which creates a new reversed list without modifying the original: numbers=[1,2,3,4,5]reversed_numbers=numbers[::-1]print(reversed_numbers)# Output: [5, 4, 3, 2, 1] ...
Original String is: PythonForBeginners Reversed String is: srennigeBroFnohtyP Reverse string using a Python list We can also use a list to reverse a string in python. In this method, First, we will convert the string into a list of characters and will create a new empty string. Afterward...
1. Using list slicing The easiest and simplest approach for traversing a Python list is that - You can use list slicing. Use negative indexing i.e.,::-1. The statementlist[::-1]will return the list in reverse order. Example # Traverse a Python list in reverse order# Using list slicin...
Reverse string using reversed() a = 'Python' for symbol in reversed(a): print(symbol) # n # o # h # t # y # P To get back a string from the resulting sequence, you can use the string.join() method. The string.join () method concatenates the elements of the given list into ...
The following example shows how to reverse an array in Python using for loop. importarrayasarr a=arr.array('i',[10,5,15,4,6,20,9])b=arr.array('i')foriinrange(len(a)-1,-1,-1):b.append(a[i])print(a)print(b) It will produce the followingoutput− ...
foriinrange(len(a)-1,-1,-1): print(i,a[i]) ''' Output: 4 5 3 4 2 3 1 2 0 1 ''' DownloadRun Code 2. Using extended slicing The[::-1]slice makes a copy of the list in reverse order, which can be used in the for-loop to print items in reverse order. ...
print('\nThe reversed list values using reversed():') for value in reversed(languages): print(value, end="\t") Output: The following output will appear after executing the above script. Reverse Python list using range(n, -1, -1) function: Create a python file with the following script...