For any type of consultation, query or doubt. You may contact to the following: (+91) 9804 436 193 debabrataguha20@gmail.com and join the group https://www.facebook.com/groups/331231161093613/ You have only 5 things to learn in this chapters. After that, you will be able to solve all the problems where we do not need for loop or if statement. 1.1 First Thing to learn: Let’s start with some problems in the real life world. Like if I ask you what is your height and suppose you give me the answer like 6 feet. Now If I ask you that I need the length in cm, because I have to fill an army examination form where it is mandatory to give your height in cm . So how can you give me the length in cm? Obvious answer is to search it in google. There are multiple small apps which can convert a length in foot to centimeter equivalent. And the answer would be 182.88 cm. You just need to write “foot to cm converter” in google search en...