code: def prefix(prefix_str: str) -> RowRange:
      """Create a range of all rows starting with a given prefix.
  
      Args:
        prefix_str (str): The prefix with which all rows start
      Returns:
        RowRange: The row range of all rows starting with the given prefix.
      """
      return RowRange(core_ops.bigtable_prefix_row_range(prefix_str))
  
file_path: io/tensorflow_io/python/ops/bigtable/bigtable_row_range.py
imports: from tensorflow_io.python.ops import core_ops
label_desc: Use image node_id 5 for calling a global function with example usage: prefix(prefix_str) and returns: RowRange