擅长:python、mysql、java
<p>看看这个简单的方法是否适合你</p>
<pre class="lang-py prettyprint-override"><code>prev_arg = ()
def dont_run_twice(myPrint):
def wrapper(*args):
global prev_arg
if (args) == prev_arg:
return None
else:
prev_arg = (args)
return myPrint(*args)
return wrapper
@dont_run_twice
def myPrint(*args):
print(*args)
</code></pre>