Swift String Exercises: Return the first half of a given string of even length

Last update on December 21 2024 10:30:25 (UTC/GMT +8 hours)

Write a Swift program to return the first half of a given string of even length.

Pictorial Presentation:

Sample Solution:

Swift Code:

func first_half_str(_ input: String) -> String {
    let chars = input.characters
    let first_half = chars.prefix(input.characters.count / 2)
    
    return String(first_half)
}
print(first_half_str("Java"))
print(first_half_str("Python"))

Sample Output:

Ja
Pyt

Swift Programming Code Editor:

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