<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def vzero(v):
 """ Indicate whether a 3-vector is the zero vector. http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/vzero_c.html :param v: Vector to be tested :type v: 3-Element Array of floats :return: true if and only if v is the zero vector :rtype: bool """

    v = stypes.toDoubleVector(v)
    return bool(libspice.vzero_c(v))