code: def build_info_string(info):
      
      info_list = []
      
      for annotation in info:
          
          if info[annotation]:
              info_list.append('='.join([annotation, ','.join(info[annotation])]))
          else:
              info_list.append(annotation)
      
      return ';'.join(info_list)
docs: Build a new vcf INFO string based on the information in the info_dict.
      
      The info is a dictionary with vcf info keys as keys and lists of vcf values
      as values. If there is no value False is value in info
      
      Args:
          info (dict): A dictionary with information from the vcf file
      
      Returns:
          String: A string that is on the proper vcf format for the INFO column