Python Programming Tutorial - Control structures

Control Structures in Python Programming

Introduction to Control Structures

• The tutorial introduces control structures in Python, which dictate the order of execution for program instructions.

• There are three main types of control structures: sequential control, selection control, and iterative control.

Sequential Control

• Sequential control executes instructions in the exact order they are written; the first line runs first, followed by the second, and so on.

• An example demonstrates sequential control with print statements: "hello", "welcome", and "welcome to amuls academy" are executed in that order.

Selection Control

• Selection control involves executing code based on a condition. If a condition is true, one block of code runs; if false, another block executes.

• A practical example shows how to use an if statement to check if a variable is less than 10. If true, it prints "value is less than 10"; otherwise, it prints "value is greater than 10".

• The tutorial illustrates user input handling where entering different values (e.g., 20 or 5) leads to different outputs based on the defined conditions.

Iterative Control

• Iterative control allows repeated execution of code as long as a specified condition remains true.

• An example using a while loop initializes a variable at 0 and increments it until it reaches 10. It prints numbers from 0 to 9.

• The explanation emphasizes three parts of iterative control: initialization (setting up variables), condition (the criteria for continuing), and increment/decrement (updating variable values).