擅长:python、mysql、java
<pre><code>parser.add_argument('-b',help='Specify length of the district code')
businessformat=args.d
businessformat=businessformat.strip()
df2['business_code']=df2['business_code'].apply(lambda x: str(x))
def formatBusinessCodes(code):
bus=code bus.zfill(4)
return bus
formatBusinessCodes(businessformat)
</code></pre>