擅长:python、mysql、java
<pre><code>class Greetings:
def __init__(self):
pass
def hello(self, x) :
return "Hello World"*x
def bye(self, x) :
return "Bye World"*x
def analyze(self, func, x) :
return func(x)
obj = Greetings()
obj.analyze(obj.hello, 3)
</code></pre>