擅长:python、mysql、java
<pre class="lang-py prettyprint-override"><code>my = ["first letter", " second letter", " third letter"]
for i in range(0,len(my),1):
if my[i][0] == " " :
my[i] = my[i][1:]
print(my)
# result : ['first letter', 'second letter', 'third letter']
</code></pre>
<p>我使用了“for”函数。之后,通过“Slice”,如果前面是空的,字符串将被截断</p>