Matrix Spiral

def spiral_copy(inputMatrix):
  rowEnd = len(inputMatrix)
  colEnd = len(inputMatrix[0])
  rowStart = 0
  colStart = 0
  result = []

  while (rowStart < rowEnd and colStart < colEnd):

    for i in range(colStart, colEnd):
      result.append(inputMatrix[rowStart][i])
    rowStart+=1

    for i in range(rowStart, rowEnd):
      result.append(inputMatrix[i][colEnd - 1])
    colEnd-=1

    if (rowStart < rowEnd):
      for i in range(colEnd - 1, colStart - 1, -1):
        result.append(inputMatrix[rowEnd - 1][i])
      rowEnd-=1

    if (colStart < colEnd):
      for i in range(rowEnd - 1, rowStart - 1, -1):
        result.append(inputMatrix[i][colStart])
      colStart+=1

  return result