擅长:python、mysql、java
<p>你可以考虑使用一个很好的命令表的熊猫,没有它可以考虑的结果。在</p>
<pre><code> import pandas as pd
emails = pd.Series(email_list)
individual_emails = emails.unique()
tally = pd.DataFrame( [individual_emails , [0]*len(individual_emails)] )
#makes a table with emails and a zeroed talley
for item in individual_emails.index:
address = tally.iloc[item,0]
sum = len(email[email==address])
tally.iloc[item,1] = sum
print tally
</code></pre>