In above situation inside while loop will finish its execution first and the control will be returned back to outside while loop. Python also supports nested loops. Take a look at the syntax of while loop in python. For example a for loop can be inside a while loop or vice versa. Python loops with an “else” clause: The for and while compound statements (python loops) can optionally have an else clause (in practice, this usage is fairly rare). In the nested-while loop in Python, Two type of while statements are available: Outer while loop; Inner while loop; Initially, Outer loop test expression is evaluated only once. Python Example to sum of two integer using Bitwise operator, C++ code to sum of two integer using Bitwise operator, C code to sum of two integer using Bitwise operator, Java Example to sum of two integer using Bitwise operator, C code to subtract two integer using Bitwise operator, Python program to add two number using function, C++ program to count the total number of characters in the given string, C Program to largest and smallest among three numbers, Python program to calculate sum of odd and even numbers, Cpp program to calculate sum of odd and even numbers. Basics of Loops in Python. This flow of control persists until test expression of the outer loop is false. And when the condition becomes false, the line immediately after the loop in program is executed. The while loop in Python is used to iterate blocks of code till test expression (condition) is true. 2) Nested while loop. While Loops In Python, while loop is used to execute a block of statements repeatedly until a given condition is satisfied. 3.do while loop. Required fields are marked *. Python While Loop with Continue Statement Python While Loop executes a set of statements in a loop based on a condition. the inner while loop executes to completion. 2.while. [code] print '\n'.join(' '.join([str(i) for i in range(1,j+1)]) for j in … When we execute the above program, it will produce the following result. Python Nested while loop. The syntax for nesting while loop in Python is: while (expression_1): #Outer loop [code to execute] #Optional while (expression_2): #Inner loop [code to execute] Unlike the for loop, the while loop doesn’t have a precompiled iterable sequence. Here is the general format of the while loop in Python. In Python, while loops are constructed like so: while [a condition is True]: [do something] The something that is being done will continue to be executed until the condition that is being assessed is no longer true. Nested For Loop. The focus of this lesson is nested loops in Python. The python break statement is a loop control statement that terminates the normal execution of a sequence of statements in a loop and passes it to the next statement after the current loop exits. Python While Loop; Python Loop Control Statements; Nested For Loop in Python; 3. While Loop: In python, while loop is used to execute a block of statements repeatedly until a given a condition is satisfied. You will also learn how to use nested loops in python. Output: 1 , 5 2 , 6 3 , 7 Python – while loop with else block 1 , 5 2 , 6 3 , 7 i = 1 j = 5 while i < 4: while j < 8: print(i, ",", j) j = j + 1 i = i + 1. While loop can hold another while loop inside it . Python doesn’t provide a feature of a Do-While loop, But if you wanna use it in python, then you can create a program using a Do-While loop. The syntax for a nested while loop statement in Python programming language is as follows −. Nested while loop in Python. Let’s start working with a nested while loop in this case. We can use following syntax for nested loops. Nested while loop in Python. The else clause only executes after a for loop terminates by iterating to completion, or after a while loop terminates by its conditional expression becoming false. Here is a loop in Python. 3.do while. Example. Codes num = [1, 2, 3] str = 'abc' for x in num: for y in str: print(x, y) Output: 1 a 1 b 1 c 2 a 2 b 2 c 3 a 3 b 3 c Like. Nested for loop. Nested while loop in Python. (adsbygoogle = window.adsbygoogle || []).push({}); Your email address will not be published. In case of a while loop a user does not know beforehand how many iterations are going to take place. 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