Looping Array Elements. This reverse array program allows the user to enter the array size and the array elements. Now, let us see how we can reverse an array in Python created with the Array module. STEP 3: Print the element arr[i] in each iteration. PROGRAM: Reverse operation in python can be defined as a process of turning the order of the input assigned to a variable from back to front or front to back. The range() function enables us to make a series of numbers within the given range. 3. C Program to Reverse an Array using While Loop. Explanation : The commented numbers in the above program denote the step number below : We are using the same list as the above example. Remove List Duplicates Reverse a String Add Two Numbers ... Python Loop Through an Array Python Glossary. This method directly modifies the original list. You can use the for in loop to loop through all the elements of an array. Next, this C program to reverse array will reverse the given array elements using While Loop In python, to reverse an array we will use the reverse() method and it will reverse all the element present in array. Reverse an array in Python. Using a while loop : Similar to a for loop, we can also use while loop to iterate a list in reverse. Print each item in the cars array: for x in cars: print(x) Here in this program, we will learn how to reverse an array using Python concept. Output: [15, 14, 13, 12, 11, 10] Method 2: Using the reverse() built-in function. Above array in reversed order: ALGORITHM: STEP 1: Declare and initialize an array. Example: from array import* my_array = array('i',[10,11,12,13]) my_array.reverse() print(my_array) Python’s inbuilt range() function is handy when you need to act a specific number of times. Example. It reverses an array at its original location, hence doesn’t require extra space for storing the results. How to write a C Program to Reverse an Array using While Loop, For loop, Functions, and Recursion with example?. Few stylistic points about your current solution: use print() as a function for Python 3 compatibility; on the other hand, because you are running it on Python 2.x, you may avoid creating an extra list with range() and use xrange() function (differences); according to PEP8, you need to have spaces around the operators ; you can use end -= 1 shortcut instead of end = end - 1 Similar to lists, the reverse() method can also be used to directly reverse an array in Python of the Array module. Example of reverse string in python using recursion.. Reverse an array means the last element should be displayed first, followed by second last element and so on.In Python there are 3 ways to reverse an array such: 1) Reversing a list in-place with the list.reverse() method Reverse an Array or List in Python. Depending on how many arguments you pass to the range() function, you can choose where that sequence of numbers will begin and end as well as how big the difference will be between one number and the next. Recursion function. Using the reverse() method we can reverse the contents of the list object in-place i.e., we don’t need to create a new list instead we just copy the existing elements to the original list in reverse order. In a previous tutorial, we covered the basics of Python for loops, looking at how to iterate through lists and lists of lists.But there’s a lot more to for loops than looping through lists, and in real-world data science work, you may want to use for loops with other data structures, including numpy arrays and pandas DataFrames. This operation can be achieved by any kind of logic involving the conditional statements of python, such as for loop, while conditional statement, if condition, etc. The base condition of function is that if the length of the string is equal to 0, the string is returned.. If not equal to 0, the reverse function is recursively called to slice the part of the string except the first character and concatenate the first character to the end of the sliced string. STEP 2: Loop through the array in reverse order that is, the loop will start from (length of the array - 1) and end at 0 by decreasing the value of i by 1. Using reverse() Method. Python For loops can also be used for a set of various other things (specifying the collection of elements we want to loop over) Breakpoint is used in For Loop to break or terminate the program at any particular point; Continue statement will continue to print out the statement, and … 1. 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