month = [
  'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
  'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'
]

city = ['Bandung', 'Jakarta']

TBAN = [
  [20, 23, 27],
  [19, 23, 27],
  [20, 23, 28],
  [20, 23, 28],
  [19, 23, 29],
  [19, 23, 28],
  [18, 22, 28],
  [18, 22, 29],
  [18, 23, 29],
  [19, 23, 29],
  [20, 23, 29],
  [20, 23, 28]
]

TJAK = [
  [24, 27, 30],
  [24, 27, 30],
  [24, 27, 31],
  [25, 28, 32],
  [25, 28, 32],
  [24, 27, 32],
  [24, 27, 32],
  [23, 27, 32],
  [24, 28, 32],
  [24, 28, 32],
  [24, 28, 32],
  [24, 27, 31]
]

Temp = [TBAN, TJAK]

i = 0
for c in Temp:
  print("City", city[i])
  
  t1 = 0
  t2 = 0
  t3 = 0
  
  print("  Tlow Tmid Thig c")
  for m in c:
    print("  ", end='')
    for t in m:
      print(t, end='   ')
    
    c = (m[1] - m[0]) / (m[2] - m[0])
    print(f'{c:0.2f}')
    
    t1 += m[0]
    t2 += m[1]
    t3 += m[2]

  print("  --------------")
  s1 = f'{(t1/12):0.1f}'
  s2 = f'{(t2/12):0.1f}'
  s3 = f'{(t3/12):0.1f}'
  print(" ", s1, s2, s3)
    
  print()
  i += 1