擅长:python、mysql、java
<pre><code>first = {"MRF":40000,"RELIANCE":1000}
second = {"MRF":50000,"RELIANCE":2000}
third = {"MRF":30000,"RELIANCE":500}
fourth = {"MRF":60000,"RELIANCE":4000}
dicts = [first, second, third, fourth]
keys = first.keys()
new = {k: sum((d[k] for d in dicts)) / len(dicts) for k in first.keys()}
print(new) ## {'MRF': 45000.0, 'RELIANCE': 1875.0}
</code></pre>