<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_bound(pts):
 """Compute a minimal rectangle that covers all the points."""

    (x0, y0, x1, y1) = (INF, INF, -INF, -INF)
    for (x, y) in pts:
        x0 = min(x0, x)
        y0 = min(y0, y)
        x1 = max(x1, x)
        y1 = max(y1, y)
    return (x0, y0, x1, y1)