# Program to explain reverse string# Using while loop# Define a functiondefreverse_while(string):# Declare a string variablerstring =''# We will calculate string length# And subtract 1 because string index start with 0length =len(string) -1# We will run the loop with last string indexwhi...
$ python3.7 -m timeit --number 100000 --unit usec 'import string_reverse' 'string_reverse.reverse_for_loop("ABç∂EF"*10)' 100000 loops, best of 5: 5.5 usec per loop $ python3.7 -m timeit --number 100000 --unit usec 'import string_reverse' 'string_reverse.reverse_while_loop("AB...
$ python3.7 -m timeit --number 100000 --unit usec 'import string_reverse' 'string_reverse.reverse_for_loop("ABç∂EF"*10)' 100000 loops, best of 5: 5.5 usec per loop $ python3.7 -m timeit --number 100000 --unit usec 'import string_reverse' 'string_reverse.reverse_while_loop("AB...
Explanation: In the exercise above the code defines a function named "string_reverse()" that takes a string as input and returns its reversed version using a while loop and string manipulation. The final print statement demonstrates the result of calling the "string_reverse()" function with the...
While Python doesn't have a built-in method to reverse the string, there are several ways to do it with just a few lines of code. You can use the slicing operator, the reversed() and string.join() methods, reverse the string using a for loop or recursion. Or, you can easily implem...
Let’s understand the code part,patients[::-1].This line reverses the items in the list using the -1. This is how to reverse the Python list using the slicing method. How to Reverse a List in Python using While Loop You can also reverse the list using Python while looping. For examp...
In this code, the functionreverse_numberuses Python’s built-in functionsstrandintto convert the input number into a string and then back into an integer. The slicing operation[::-1]is used to reverse the string. Output: Reverse Number in Python Using For Loop ...
Loopover your strings in reverse order Sort your strings in descending order usingsorted() Even though this topic might not have many exciting use cases by itself, understanding how to reverse strings can be useful in coding interviews for entry-level positions. You’ll also find that mastering...
Method 1: Reverse a Number in Python using While Loop In this approach, we will divide the number by 10 and add the remainder to the sum. Program/Source Code Here is the source code of the Python Program to reverse a given number. ...
Dictionaries maintain the order of their items in insertion order, and you can loop over them in reverse by using the reversed function, even though they're not sequences.reversed returns an iteratorThe reversed function accepts a reversible iterable, and it returns an iterator (a lazy iterable...