Get a repeated number in any given array (assumption that there is one repeated number).

most_freq.py

# Get the most repeated number in a given list

def max_freq(some_list):
  """
  Gets the most repeated number in a list.
  :param some_list: A given list of numbers having one that is most
                    repeated.
  :type some_list: list
  :rtype max_item: object
  """
  # Most repeated item 
  max_item = None
  # Max number of counts
  max_count = -1
  # Create empty dictionary to store the indexes if the list item as keys
  # and the repeted count as the values.
  count = {}
  # Loop through the given list
  for item in some_list:
      if item not in count:
          count[item] = 1
      else:
          count[item] += 1
        
      if count[item] > max_count:
          max_count = count[item]
          max_item = item
          
   return max_item