题解 | 记负均正II

def int_negative():
    lst = []
    while True:
        try:
            lst.append(int(input()))
        except:
            break
    negative = 0
    sum = 0
    positive = 0
    for i in lst:
        if i < 0:
            negative +=1
        else:
            sum += int(i)
            positive +=1
    if sum > 0:
        pos_avg = round(float(sum/positive),1)
    else:
        pos_avg = 0.0
    return negative,pos_avg
for i in int_negative():
    print(i)