#If you're not sure how to start, look at the swap_red_blue and blur #examples below. #Problem A: Invert Colors def invert(img_matrix): ''' Purpose: Inverts the colors in an image by setting each...

#If you're not sure how to start, look at the swap_red_blue and blur
#examples below.

#Problem A: Invert Colors
def invert(img_matrix):
    '''
    Purpose:
      Inverts the colors in an image by setting each color component to
      255 minus its original value.
    Input Parameter(s):
      A 3D matrix (list of lists of lists) representing an .bmp image
      Each element of the matrix represents one row of pixels in the image
      Each element of a row represents a single pixel in the image
      Each pixel is represented by a list of three numbers between 0 and 255
      in the order [red, green, blue]
    Return Value:
      A 3D matrix of the same dimensions, with the colors of each pixel inverted
    '''
    #TODO: Finish this function