擅长:python、mysql、java
<p>只需<code>return</code>而不是<code>break</code>:</p>
<pre><code>def DateZoneCity_downloaded_previously(Order_Date,ZoneCity):
"""Check if a given DataZoneCity combination had already been downloaded."""
string_to_match = Order_Date.strftime('%Y/%m/%d') + "-" + ZoneCity[0] + "-" + ZoneCity[1]
with open(Record_File) as download_status:
for line in download_status:
if string_to_match in line:
return True
return False # No match found.
</code></pre>