year extraction function from feature

extract_year_from_title.py

def extract_year_from_title(title):
  # function to find the year in the given list
  # if not found assigns zero as year
  # ASSUMPTION: There is no NA values
  # in the title feature
    
  int_list = []
  now = datetime.datetime.now()
    
  for item in title:
      int_list.append(int(item))
    
  for item in int_list:
      if item <= now.year and item >= 1900:
          return item
      else:
          return 0