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Python If-Else

The if statement in Python is used to test a condition and execute a block of code if the condition is true. The syntax for an if statement is as follows:


The condition can be any expression that evaluates to a Boolean value. If the condition is met, the block of code inside the if statement will be executed. If the condition is not met, the block of code will be skipped.

An else statement can be used to execute a block of code if the condition in the if statement is not met. The syntax for an else statement is as follows: Here is an example of an if statement:



In this example, the number is 10, which is even.

Therefore, the condition number % 2 == 0 is met, and the block of code print("The number is even") will be executed. Here is an example of an if-else statement:


In this example, the number is 11, which is odd.

Therefore, the condition number % 2 == 0 is not met, and the block of code print("The number is even") will not be executed. Instead, the block of code print("The number is odd") will be executed. T

he if statement can be used to make decisions in your code. It can be used to control the flow of your code and to execute different blocks of code depending on the outcome of a condition.

Here are some other examples of how to use if statements in Python:

Check if a number is greater than, less than, or equal to another number. Check if a string contains a certain substring. Check if a file exists.

Check if a user is logged in. If statements are a powerful tool that can be used to control the flow of your code. They can be used to make decisions, to execute different blocks of code, and to perform a variety of other tasks.

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