+ class meta(type):
+     def __init__(cls, cls_name, cls_bases, cls_dict):
+         print 'hello, world'
0 
+ class tst:
+     __metaclass__ = meta
0 
+     def hi(self):
0         """
0         this is a docstring
0         """
+         print 'hello, world 2'
0 
+ tst().hi()
0 
0 print \
+       "hello, world" \
0       "how do you do?"
0 
+ "asdf" + \
+        str(5)