#                     1
      # 0 1 2 3 4 5 6 7 8 9 0
      #[1,2,3,4,4,5,6,7,8,9,9]
data = [7,1,9,5,4,2,6,4,3,9,8]
data.sort()
n = len(data)
half = int(n/2)

if n % 2 == 0:
    v1 = data[half-1]
    v2 = data[half]
    median = (v1 + v2)/2.0
    
    print(f'median={median} ({v1}, {v2})')
else:
    median = data[half]
    
    print(f'median={median} ({half})')