擅长:python、mysql、java
<p>此功能将</p>
<ul>
<li>删除电话号码开头的<code>+</code></li>
<li>如果电话号码的长度等于9,则在其中添加区号(84)</李>
</ul>
<pre><code>def clean_phone_number(n):
n = n.replace('+', '')
# Add the area code 84 if len(n) == 9
if len(n) == 9:
n = '84' + n
return n
print(clean_phone_number('952368741'))
print(clean_phone_number('+84475968475'))
print(clean_phone_number('84456968475'))
</code></pre>
<pre><code>Output
84952368741
84475968475
84456968475
</code></pre>