sub_id = [14309080,   14309081,   14309082,   14309083,   14309084,   14309085,   14309086,   14309087,   14309088,   14309089,   14309090,   14309091,   14309092,   14309093,   14309094]   #,   14309095]
cdn_id = [1408467242, 1408467242, 1408467246, 1408467254, 1408467268, 1408467282, 1408467286, 1408467291, 1408467292, 1408467302, 1408467304, 1408467319, 1408467327, 1408467332, 1408467343] #, 0]

#sub_id = [1388580,    1388579]
#cdn_id = [1213770987, 1213771002]

def distance(l):
  rv = []
  for n in range(len(l)):
    if n==0:
      rv.append(0)
    else:
      rv.append(l[n] - l[n-1])
  return rv


if __name__ == '__main__':

  print("sub_id:  ", sub_id) #Submission number
  print("cdn_id:  ", cdn_id) #Download number
  print("distance:", distance(cdn_id)) #Distance between consecutive download links (first is always zero)


  dif = lambda x,y: x-y
  sub_cdn_dif = list(map(dif, cdn_id, sub_id))
  cdn_dif = list(map(dif, cdn_id[-1:]*len(cdn_id), cdn_id))
  print("cdn_dif: ", cdn_dif) #Cummulative difference between download links, first is zero