擅长:python、mysql、java
<pre><code>def main():
infile = open('DJI.txt', 'r')
values = infile.read()
infile.close()
values = values.split("\n")
values = [value.split("|") for value in values if len(value.split("|")) > 1]
print(values)
avg = sum([float(l[1]) for l in values]) / len(values)
print(" -avg ", avg)
main()
</code></pre>