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Swift Academy · Lesson

Conditions

Conditions

Introduction

Hello,

In this lesson, we will learn about the conditional concept, which is a must for programming languages.

The first thing we will learn is if statement. With the if statement, we can run a block of code depending on the occurrence of a condition.

In the example below, the syntax of the if statement has been added.

The part expressed by conditional_expression is an expression that returns a bool value. If this expression returns true, the block of code between braces will work.

if conditional_expression {
   /* set of statements */
}

example

Suppose we have a number named count. If the value of this number is greater than 20 we will print the 'Yes, count is greater than 20' text

var count:Int = 20
 
if count > 20 {
   print("Yes, count is greater than 20")
}
 
print("always work")
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