Swift String Exercises: Check if the first or last characters are 'a' of a given string, return the given string without those 'a' characters

Swift String Programming: Exercise-21 with Solution

Write a Swift program to check if the first or last characters are 'a' of a given string, return the given string without those 'a' characters, and otherwise return the given string.

Pictorial Presentation:

Sample Solution:

Swift Code:

import Foundation
func str_without_a(_ str1:String) -> String {
    var new_str = str1
    
    if new_str.hasPrefix("a") 
    {
        new_str.characters.removeFirst()
    }
    
    if new_str.hasSuffix("a")
    {
        new_str.characters.removeLast()
    }
    
    return new_str
}
print(str_without_a("abcda"))
print(str_without_a("bcd"))

Sample Output:

bcd
bcd

Swift Programming Code Editor:

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