闭包的反汇编

class t():
    pass
class t2():
    pass
def test1():
    a=10
    b=t()
    d=t2()
    e=t2()
    def f1(c):
        print a
        print b
        print c
    f1()

Disassembly of test1:
 19           0 LOAD_CONST               1 (10)
              3 STORE_DEREF              0 (a)#存入到freevars

 20           6 LOAD_GLOBAL              0 (t)#从全局变量中装入
              9 CALL_FUNCTION            0
             12 STORE_DEREF              1 (b)

 21          15 LOAD_GLOBAL              1 (t2)
             18 CALL_FUNCTION            0
             21 STORE_FAST               0 (d)

 22          24 LOAD_GLOBAL              1 (t2)
             27 CALL_FUNCTION            0
             30 STORE_FAST               1 (e)

 23          33 LOAD_CLOSURE             0 (a)
             36 LOAD_CLOSURE             1 (b)
             39 BUILD_TUPLE              2 #生成闭包
             42 LOAD_CONST               2 (<code object f1 at 01387608, file "<module1>", line 23>)
             45 MAKE_CLOSURE             0#创建一个闭包函数
             48 STORE_FAST               2 (f1)

 27          51 LOAD_FAST                2 (f1)
             54 CALL_FUNCTION            0
             57 POP_TOP             
             58 LOAD_CONST               0 (None)
             61 RETURN_VALUE