擅长:python、mysql、java
<pre><code>def AdjustTime(f):
f = f or "" # in case None was passed in
while True:
f = f.zfill(4)
if f.isdigit() and len(f) == 4 and int(f[:2]) <= 23 and int(f[2:]) <= 59:
return f
clear()
print f, 'Get this date right'
f = raw_input('')
</code></pre>