code: def indicator_body(indicators):
          
          hash_patterns = {
              'md5': re.compile(r'^([a-fA-F\d]{32})$'),
              'sha1': re.compile(r'^([a-fA-F\d]{40})$'),
              'sha256': re.compile(r'^([a-fA-F\d]{64})$'),
          }
          body = {}
          for indicator in indicators:
              if indicator is None:
                  continue
  
              if hash_patterns['md5'].match(indicator):
                  body['md5'] = indicator
              elif hash_patterns['sha1'].match(indicator):
                  body['sha1'] = indicator
              elif hash_patterns['sha256'].match(indicator):
                  body['sha256'] = indicator
  
          return body
docs: Generate the appropriate dictionary content for POST of an File indicator
  
          Args:
              indicators (list): A list of one or more hash value(s).