擅长:python、mysql、java
<pre><code>def vertical_strings(string):
"""takes a string and prints each letter on new line repeating each letter for length of word"""
num = len(string)
for char in string:
new = char * num
print new
vertical_strings('hi')
</code></pre>
<p>你只需要在代码中做一些小的调整</p>
<ul>
<li>因为您需要打印,所以在代码的每次迭代中都要打印</li>
</ul>