Nested If Statement in Python | Lecture - 19 | Beginner Python Tutorial Course for Web Development

Published: 16 April 2025
on channel: CodersNote
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In this Lecture 19, we'll explore the concept of the nested if statement in Python. A nested if statement is simply an if statement placed inside another if statement. This allows you to check for multiple levels of conditions within your code.

Think of it like this: first, your program checks the outer if condition. If that condition is true, then it proceeds to check the inner if condition. Only if both the outer and inner conditions are true will the code inside the inner if block be executed.

We'll illustrate this with a practical example, expanding on our even/odd number program. In this example, we'll first check if a number entered by the user is positive. If it is, we will then use a nested if else statement to determine if the positive number is even or odd. If the initial number is not positive, we'll print a message indicating that the user should enter a positive value.

We'll walk through the code step by step, explaining the flow of execution and how the indentation in Python clearly defines which code blocks belong to which if statement. This lecture will help you understand how to handle more complex decision-making scenarios in your Python programs using nested conditional logic.

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Learn how to create more intricate decision structures in Python! Join us for Lecture 19 to master nested if statements.


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