<p>下面是我的一小段代码:</p>
<pre><code>studentName = ""
def getExamPoints (total):
for i in range (4):
total = 0.0
examPoints = input ("Enter exam score for " + studentName + str(i+1) + ": ")
total = ?????
total = total/.50
total = total * 100
</code></pre>
<p>在哪里?????我不知道怎么让字符串把四个分数相加</p>
<p>我稍后输入的学生姓名,要求稍后在程序中使用<code>examPoints = getExamPoints(studentName)</code>。你知道吗</p>