new_contents: #Kunal Gautam
  #Codewars : @Kunalpod
  #Problem name: Find the first non-consecutive number
  #Problem level: 8 kyu
  
  def first_non_consecutive(arr):
      for i in range(1,len(arr)):
          if arr[i] != arr[i-1] + 1:
              return arr[i]
      return None 
  
subject: Create find_the_first_non_consecutive_number.py