progs/a843.py


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def get_max_occuring_char(str1):
  ASCII_SIZE = 256
  ctr = [0] * ASCII_SIZE
  max = -1
  ch = ''
  for i in str1:
    ctr[ord(i)]+=1;
  for i in str1:
    if max < ctr[ord(i)]:
      max = ctr[ord(i)]
      ch = i
  return ch