擅长:python、mysql、java
<p>试试看</p>
<pre><code>def double(source):
word = []
for x in range(len(source)):
word.append(source[x]*(x+1))
print ''.join(map(str, word))
double("dog")
input()
</code></pre>
<p>如果您想将所有内容都放在一行中,请在Python2中尝试以下方法:</p>
<pre><code>def double(source):
word = []
for x in range(len(source)):
word.append(source[x]*(x+1))
print ''.join(map(str, word)),
double("dog")
input()
</code></pre>
<p>对于python 3:</p>
<pre><code>def double(source):
word = []
for x in range(len(source)):
word.append(source[x]*(x+1))
print(''.join(map(str, word)), end="")
double("dog")
input()
</code></pre>