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Swift program to read a float number from the user

Here, we are going to learn how to read a float number from the user in Swift programming language?
Last Updated : June 01, 2021

Swift - Read a float number from the user

Here, we will read a numeric string from the user using the readLine() function and then convert the string to a float number using the Float() function and print the number on the console screen.

Swift program to read a float number from the user

The source code to read a float number from the user is given below. The given program is compiled and executed successfully.

// Swift program to read a float number
// from the user

import Swift;

print("Enter Number:")
if let val = readLine(){
    if let num = Float(val)
    {
        print("Entered number is: ",num);
    }
}

Output

Enter Number:
3.14
Entered number is:  3.14

...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 read a numeric string using the readLine() function. Then convert the string into a float number using the Float() function and print the result on the console screen.

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