<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def load_velo_scan(file):
 """Load and parse a velodyne binary file."""

    scan = np.fromfile(file, dtype=np.float32)
    return scan.reshape((-1, 4))