题解 | #记负均正II#
记负均正II
https://www.nowcoder.com/practice/64f6f222499c4c94b338e588592b6a62
import sys
list1,list2=[],[]
for line in sys.stdin:
a = int(line.strip())
list1.append(a)
count1 = 0
for i in list1:
if i < 0:
count1 +=1
list2.append(i)
list3 = [x for x in list1 if x not in list2]
if list3:
avg1 = round(sum(list3)/len(list3),1)
print(count1)
print(avg1)
else:
print(count1)
print("0.0")
