new_contents: #Kunal Gautam
  #Codewars : @Kunalpod
  #Problem name: Mumbling
  #Problem level: 7 kyu
  
  def accum(s):
      li = []
      for i in range(len(s)):
          li.append(s[i].upper() + s[i].lower()*i)
      return '-'.join(li)
  
subject: Create mumbling.py