求助!哪儿错了
d = { 'Adam': 95, 'Lisa': 85, 'Bart': 59, 'Paul': 74 }
sum = 0.0
for score in d.itervalues():
sum+=score
print sum/len(d)d = { 'Adam': 95, 'Lisa': 85, 'Bart': 59, 'Paul': 74 }
sum = 0.0
for score in d.itervalues():
sum+=score
print sum/len(d)2016-04-15
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