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Swift program to demonstrate the 'for in' loop with 'where' clause

Here, we are going to demonstrate the 'for in' loop with 'where' clause in Swift programming language.
Submitted by Nidhi, on June 07, 2021

Problem Solution:

Here, we will create an array of strings that contain the name of countries. Then we will access the name of countries from the array using the for in loop and also apply the where clause to filter the data.

Program/Source Code:

The source code to demonstrate the for in loop with the where clause is given below. The given program is compiled and executed successfully.

// Swift program to demonstrate the 
// "for in" loop with "where" clause.

import Swift;

let countries = ["INDIA", "USA", "UK", "CANADA"]

for country in countries where country != "UK" {
    print(country);
}

Output:

INDIA
USA
CANADA

...Program finished with exit code 0
Press ENTER to exit console.

Explanation:

In the above program, we imported a package Swift to use the print() function using the below statement,

import Swift;

Here, we created an array of string countries. It contains the name of countries. Then we accessed the name of countries from the countries array using the "for in" loop and also filter the name of countries using the where clause and printed the result on the console screen.

Swift Looping Programs »

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