擅长:python、mysql、java
<p>试试这个</p>
<pre><code>import random
random_list = []
list_length = 20
while len(random_list) < list_length:
random_list.append(random.randint(0,10))
dic={}
for i in random_list:
dic[i]=dic.get(i,0)+1
print 'number | occurrence'
for i in range(0,11):
if(i not in dic):
print i,"|",'%s' %'*'*(0)
else:
print i,"|",'%s' %'*'*(dic[i])
</code></pre>
<p>输出</p>
<blockquote>
<p>[9, 8, 4, 2, 5, 4, 8, 3, 5, 6, 9, 5, 3, 8, 6, 2, 10, 10, 8, 9]</p>
</blockquote>
^{pr2}$