func mergeAlternatelyword1 word2 string string n m = lenword1 lenword2 ans = makebyte 0 n+m for i = 0; i n i m; i++ if i n ans = appendans word1i if i

func mergeAlternately(word1: String, word2: String) -> String { let n = word1.count let m = word2.count var ans = "" let minLength = min(n, m) let word1 = Array(word1) let word2 = Array(word2)

for i in 0..<minLength {
    ans.append(word1[i])
    ans.append(word2[i])
}

if n > m {
    ans += String(word1[minLength...])
} else if n < m {
    ans += String(word2[minLength...])
}

return ans

}