擅长:python、mysql、java
<p>您已将DC声明为整数,但在此行中:</p>
<pre><code>DC2[i] = raw_input("How many 2 dollar coins?")
</code></pre>
<p>(以及前面所有连续的行),您处理它时就好像它是一个可重写的对象一样。我认为您想要的是摆脱while循环中所有的索引赋值</p>
<pre><code>DC2 = raw_input("How many 2 dollar coins?")
DC1 = raw_input("How many 1 dollar coins?")
C50 = raw_input("How many 50 cent coins?")
C25 = raw_input("How many 25 cent coins?")
C10 = raw_input("How many 10 cent coins?")
C5 = raw_input("How many 5 cent coins?")
C2 = raw_input("How many 2 cent coins?")
</code></pre>