text: import csv
  
  
  # Returns the landmarks for the nth face in the dataset as an array
  def one_face(n):
  
      landmarks = []
  
      # open a file for writing
      with open('muct76.csv') as muctData:
  
          csv_reader = csv.reader(muctData)
          for row in csv_reader:
              if n == 0:
                  break
              n -= 1
          landmarks.append(row)
  
      return landmarks
  
  
  # Returns the nth x and y coordinate for all faces in the data set
  def all_faces(n):
  
      xpoint = []
      ypoint = []
  
      # open a file for writing
      with open('muct76.csv') as muctData:
          csv_reader = csv.reader(muctData)
          for row in csv_reader:
              assert len(row) >= 2*n + 3
              loc = 2*n + 2
              xpoint.append(row[loc])
              ypoint.append(row[loc + 1])
  
      return xpoint, ypoint
  
  