old_contents: #!/usr/bin/env python3
  
  def roundTo1or3(num):
      if num >= 0:
              if num >= 2:
                  num = 3
              else:
                  num = 2
      else:
          if num <= -2:
              num = 0
          else:
              num = 1
      return num
  
  def main():
      with open("314q2list", "r") as f:
          coords = iter(f.read().splitlines())
          for line in coords:
              line2 = next(coords)
              row = line.split(",")
              row2 = line2.split(",")
              
              row[0] = float(row[0])
              row[1] = float(row[1])
              row2[0] = float(row2[0])
              row2[1] = float(row2[1])
              
              #qamPoints = [[0b0000,0b0100,0b1100,0b1000],
              #            [0b0001,0b0101,0b1101,0b1001],
              #            [0b0011,0b0111,0b1111,0b1011],
              #            [0b0010,0b0110,0b1110,0b1010]]  
              
              qamPoints = [[0b0010,0b0110,0b1110,0b1010],
                          [0b0011,0b0111,0b1111,0b1011],
                          [0b0001,0b0101,0b1101,0b1001],
                          [0b0000,0b0100,0b1100,0b1000]]
              
              inum1 = roundTo1or3(row[0])
              qnum1 = roundTo1or3(row[1])
              inum2 = roundTo1or3(row2[0])
              qnum2 = roundTo1or3(row2[1])
              
              combinedBin = str(format(qamPoints[qnum1][inum1], '04b')) + str(format(qamPoints[qnum2][inum2], '04b'))
  
              print(chr(int(combinedBin, 2)))
              
  main()
  
new_contents: #!/usr/bin/env python3
  
  def roundTo1or3(num):
      if num >= 0:
              if num >= 2:
                  num = 3
              else:
                  num = 2
      else:
          if num <= -2:
              num = 0
          else:
              num = 1
      return num
  
  def main():
      with open("314q2list", "r") as f:
          coords = iter(f.read().splitlines())
          for line in coords:
              line2 = next(coords)
              row = line.split(",")
              row2 = line2.split(",")
              
              row[0] = float(row[0])
              row[1] = float(row[1])
              row2[0] = float(row2[0])
              row2[1] = float(row2[1])
              
              #qamPoints = [[0b0000,0b0100,0b1100,0b1000],
              #            [0b0001,0b0101,0b1101,0b1001],
              #            [0b0011,0b0111,0b1111,0b1011],
              #            [0b0010,0b0110,0b1110,0b1010]]  
              
              qamPoints = [[0b0010,0b0110,0b1110,0b1010],
                          [0b0011,0b0111,0b1111,0b1011],
                          [0b0001,0b0101,0b1101,0b1001],
                          [0b0000,0b0100,0b1100,0b1000]]
              
              inum1 = roundTo1or3(row[0])
              qnum1 = roundTo1or3(row[1])
              inum2 = roundTo1or3(row2[0])
              qnum2 = roundTo1or3(row2[1])
              
              combinedBin = str(format(qamPoints[qnum1][inum1], '04b')) + str(format(qamPoints[qnum2][inum2], '04b'))
  
              print(chr(int(combinedBin, 2)), end=")
      print("\n")
              
  main()
  
subject: Update decoder.py