探讨字节码的幕后
# 您可以使用Python内置的“dis”模块来反汇编函数并检查它们的CPython VM字节码
>>> def greet(name):
... return 'Hello, ' + name + '!'
>>> greet('Dan')
'Hello, Dan!'
>>> import dis
>>> dis.dis(greet)
2 0 LOAD_CONST 1 ('Hello, ')
2 LOAD_FAST 0 (name)
4 BINARY_ADD
6 LOAD_CONST 2 ('!')
8 BINARY_ADD
10 RETURN_VALUE