code: def get_bits(block_representation, coin_symbol='btc', api_key=None):
      '''
      Takes a block_representation and returns the number of bits
      '''
      return get_block_overview(block_representation=block_representation,
              coin_symbol=coin_symbol, txn_limit=1, api_key=api_key)['bits'f get_bits(block_representation, coin_symbol='btc', api_key=None):
      '''
      Takes a block_representation and returns the number of bits
      '''
      return get_block_overview(block_representation=block_representation,
              coin_symbol=coin_symbol, txn_limit=1, api_key=api_key)['bits']
docs: Takes a block_representation and returns the number of bits