在Python中调用基类方法

使用super：

>>> class A(object):...     def print_it(self):...  print 'A'... >>> class B(A):...     def print_it(self):...  print 'B'... >>> x = B()>>> x.print_it()     # calls derived class method as expectedB>>> super(B, x).print_it()      # calls base class methodA