Family Day update

Task/Matrix-transposition/Swift/matrix-transposition.swift

@@ -0,0 +1,50 @@
+@inlinable
+public func matrixTranspose<T>(_ matrix: [[T]]) -> [[T]] {
+  guard !matrix.isEmpty else {
+    return []
+  }
+
+  var ret = Array(repeating: [T](), count: matrix[0].count)
+
+  for row in matrix {
+    for j in 0..<row.count {
+      ret[j].append(row[j])
+    }
+  }
+
+  return ret
+}
+
+@inlinable
+public func printMatrix<T>(_ matrix: [[T]]) {
+  guard !matrix.isEmpty else {
+    print()
+
+    return
+  }
+
+  let rows = matrix.count
+  let cols = matrix[0].count
+
+  for i in 0..<rows {
+    for j in 0..<cols {
+      print(matrix[i][j], terminator: " ")
+    }
+
+    print()
+  }
+}
+
+let m1 = [
+  [1, 2, 3],
+  [4, 5, 6]
+]
+
+print("Input:")
+printMatrix(m1)
+
+
+let m2 = matrixTranspose(m1)
+
+print("Output:")
+printMatrix(m2)