兔happy的博客 解决方案This answer was intended for Python2, which is now dead Okay, so let's iterate over all dictionary keys and average the items: avgDict = {} for k,v in StudentGrades.iteritems(): # v is the ...
weixin_39734987的博客 In Python, we usually use a dict for algorithms that require a hash table. To collect enough information to get the average price for each item in your list, we need: a) the total number of items ...