擅长:python、mysql、java
<p>在循环中没有检查索引是否超出范围的检查,即检查i与列表“收益”中的项数。请这样做:</p>
<pre><code>earnings = [94500,65377,84524]
deductions = [20000,18000,19000]
tax = [] #empty list
i = -1 #iterative counter
while True:
i=i+1
if i >= len(earnings):
break
if (earnings[i] > 23000):
tax.append(0.14*earnings[i])
continue
print ('Tax calculation has been completed')
print ('Number of iterations: ',i)
</code></pre>