题解 | #记负均正II#
记负均正II
http://www.nowcoder.com/practice/64f6f222499c4c94b338e588592b6a62
li_zs = [] li_fs = [] while 1: try: n = int(input()) if n>0: li_zs.append(n) else: li_fs.append(n) except: break print(len(li_fs)) if len(li_zs)>0: num = sum(li_zs)/len(li_zs) print(round(num,1)) else: print(0.0)
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