题解 | #记负均正II#
记负均正II
https://www.nowcoder.com/practice/64f6f222499c4c94b338e588592b6a62
p = []
n = []
while True:
try:
num = int(input())
if num < 0:
n.append(num)
else:
p.append(num)
except:
print(len(n))
if len(p) == 0:
print(0.0)
else:
print('%.1f'%(sum(p)/len(p)))
break
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