擅长:python、mysql、java
<p>您可以添加类似于a=a[-1]+a[:-1]的内容</p>
<pre><code>a = 'abcdefg'
for i in range(len(a)):
a = a[-1] + a[:-1]
print(a)
>>gabcdef
>>fgabcde
>>efgabcd
>>defgabc
>>cdefgab
>>bcdefga
>>abcdefg
</code></pre>