擅长:python、mysql、java
<p>您可以使用<a href="https://docs.python.org/3/library/statistics.html" rel="nofollow noreferrer">statistics</a>模块:</p>
<pre><code>import statistics
def get_grades_avg():
g = input("How many tests?")
num_grades = int(g)
grades = [] * num_grades
for x in range(num_grades):
grades.append(int(input("Enter Grade #" + str(x + 1) + ": ")))
return statistics.mean(grades)
avg = get_grades_avg()
print('avg: {}'.format(avg))
</code></pre>