class com ():
def __init__(self):
self._name="o"
class b(com):
pass
a=com()
print (a._name)
b=b()
print (b._name)
Y2xhc3MgY29tICgpOgogICAgICBkZWYgX19pbml0X18oc2VsZik6CiAgICAgICAgICBzZWxmLl9uYW1lPSJvIgpjbGFzcyBiKGNvbSk6CiAgICAgIHBhc3MKYT1jb20oKQpwcmludCAoYS5fbmFtZSkKYj1iKCkKcHJpbnQgKGIuX25hbWUp