Marshaling

# from original example
with open('simple.py', 'r') as f:
    code = f.read()
exec(code)
# compile and run again
a = compile(code, "simple_compiled_this_file_not_created", "exec")
exec(a)
# marshal and unmarshal
import marshal
f = open("./marshalfoo.bin", "wb")
marshal.dump(a,f)
f.close()
b = marshal.load(open("./marshalfoo.bin", "rb"))
exec(b)