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Class Employee with class attribute count

class Employee:    count = 0               def __init__( self, first, last ):       self.firstName = first       self.lastName = last       Employee.count += 1       print "Employee constructor for %s, %s" % ( self.lastName, self.firstName )    def __del__( self ):       Employee.count -= 1       print "Employee destructor for %s, %s" % ( self.lastName, self.firstName ) print "Number of employees before instantiation is", Employee.count # create two Employee objects employee1 = Employee( "A", "C" ) employee2 = Employee( "B", "D" ) employee3 = employee1 print "Number of employees after instantiation is", employee1.count # explicitly delete employee objects by removing references del employee1 del employee2 del employee3 print "Number of employees after deletion is", Employee.count