def ok_zs(p):
z = ZS(p)
z.validate()
return z
def ok_zs(p):
z = ZS(p)
z.validate()
return z
def ok_zs(p):
z = ZS(p)
z.validate()
return z
def ok_zs(p):
z = ZS(p)
z.validate()
return z