擅长:python、mysql、java
<p>如果我猜对了你想做什么,你需要使用<code>ljust</code></p>
<pre class="lang-py prettyprint-override"><code>string = input("String = ")
length = int(input("Length = "))
print('-'*(length+2))
for i in range (0, len(string), length):
print("|{}|".format(string[i:i+length].ljust(length)))
print('-'*(length+2))
</code></pre>
<p>输出:</p>
<pre class="lang-py prettyprint-override"><code>String = thisisanexample
Length = 4
------
|this|
|isan|
|exam|
|ple |
------
</code></pre>