擅长:python、mysql、java
<p>试试这个</p>
<pre><code>
j=['example@company.com', 'example@company.com', 'none@comapny.com','example@company.com']
count=1
k=j.copy()
for i in range(len(j)):
if k.count(k[i])>1:
m=[char for char in j[i]]
m.insert(j[i].index('@'),str(count)
)
count+=1
j[i]=''.join(m)
print (j)
</code></pre>