Loops in Python.

10 Loops Problems in Python.

In Python, loops are used to execute a block of code repeatedly. There are two main types of loops we will covering in this 10 Problems.

1)for loop:- A for loop is used to iterate over a sequence (such as a list, tuple, string, or range) or any iterable object.

2)While loop:- A while loop repeats a block of code as long as a specified condition is True.

Now let’s go through some problems using loops:-

1)Counting Positive Numbers.

Problem:-Given a list of numbers, count how many are positive.

List:- Numbers=[1,-2,3,-4,5,6,-7,-8,9,10]

Program:-

2)Sum of even numbers.

Problem:-Calculate the sum of even numbers up to a given number n.

Program:-

3)Multiplication Table Printer.

Problem:-Print the multiplication table for a given number up to 10, but skip the 5^th iteration.

Program:-

4)Reverse a string.

Problem:-Reverse a string using loop.

Program:-

5)Find the first non-repeated character.

Problem:-Given a string, find the first non-repeated character using loop.

Program:-

6)Factorial Calculator.

Problem:-Compute the factorial of a number using a while loop.

Program:-

7)Validate Input.

Problem:-Keep asking the user for input until they enter a number between 1 and 10.

Program:-

8)Prime number checker.

Problem:-Check if a number is prime.

Program:-

9)List uniqueness checker.

Problem:-Check if all elements in a list are unique. If a duplicate is found exit the loop and print the duplicate.

List:- Items=[“apple”, ”banana”, ”orange”, ”apple”, ”orange”]

Program:-

10)Exponential Backoff.

Problem:-Implement an exponential backoff strategy that double the wait time between retries, starting from 1 second, but stops after 5 retries.

Program:-

So here are few 10 problems related to loops in Python.

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