2) Using while Loop Example: # 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...
While Loop Program to Reverse the Digits of a Number in Python #Functionto reverse a given numberdefrev_num_while_loop(num):rev_no=0whilenum>0:# Extract the final digitlast_digit=num%10# Add the final digit to the reversed numberrev_no=(rev_no*10)+last_digit# Remove the final digit...
Here,reversed_numbersis a new list containing the elements ofnumbersin reverse order, whilenumbersremains unchanged. Choosing the right technique In summary, usereverse()for in-place modifications when you don’t need the original list in its initial order.Use slicing ([::-1]) when you want ...
In this section, we are going to see how to reverse a number using various methods like while loop, recursion, for loop and do while loop with the help of examples. Example 1: Find Reverse Number in C++ Using While Loop Before moving to the program, let’s first understand how while l...
In summary, Python provides a simple way to reverse a list by making use of the functionreversed(). You also can reverse a list manually by looping it in afororwhileloop. Python also has an easy method of reversing a list in a single line if you are comfortable using the slice operato...
Python Code: # Define a function named 'string_reverse' that takes a string 'str1' as inputdefstring_reverse(str1):# Initialize an empty string 'rstr1' to store the reversed stringrstr1=''# Calculate the length of the input string 'str1'index=len(str1)# Execute a while loop until...
2. Using reversed() method You can also usereversed()method while iterating over the list elements. It returns a reverse iterator and it does not modify the given list. Example # Traverse a Python list in reverse order# Using reversed() method# Define a listlist1=[10,20,30,40,50]# ...
{ WhileStatement(path) { // switch 节点 let switchNode = path.node.body.body[0]; // switch 语句内的控制流数组名,本例中是 _0x34e16a let arrayName = switchNode.discriminant.object.name; // 获得所有 while 前面的兄弟节点,本例中获取到的是声明两个变量的节点,即 const _0x34e16a 和 let...
In this short guide, learn how to reverse a string in Python, with practical code examples and best practices - using the slice notation with a negative step, a for loop, a while loop, join() and reversed().
Thefile.readline()approach is yet another pre-existing function in Python that enables the reading of an entire line of text from a file. The Pythonwhileloop is designed to execute a code block repeatedly until the specified condition becomes false. It is used when the number of iterations is...