如题所述
第1个回答 2020-11-13
s =[1,2,-1,-5,-7,6,0,4]
#方法一
sum = 0
for i in s:
if i >= 0:
sum += i
else:
continue
print(sum)
"""
#方法二
res=sum(i if i >= 0 else 0 for i in s)
print(res)
"""
#方法一
sum = 0
for i in s:
if i >= 0:
sum += i
else:
continue
print(sum)
"""
#方法二
res=sum(i if i >= 0 else 0 for i in s)
print(res)
"""
