Swift String Exercises: Move the first two characters of a given string to the end

Last update on June 14 2025 13:04:51 (UTC/GMT +8 hours)

Write a Swift program to move the first two characters of a given string to the end. The given string length must be at least 2.

Pictorial Presentation:

Sample Solution:

Swift Code:

func first_to_last(_ str1: String) -> String {
    var chars = str1.characters
    let first_char = chars.removeFirst()
    let second_char = chars.removeFirst()
    chars.append(first_char)
    chars.append(second_char)
    
    return String(chars)
}
print(first_to_last("Swift"))
print(first_to_last("Python"))

Sample Output:

iftSw
thonPy

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