python新手问一下,为啥我写的这段求和的程序,求出来的和会多1[face]monkey2:015.png[/face]


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# 错误示例
numbers = [1, 2, 3, 4]
sum = 0
for num in numbers:
sum += num
print(sum) # 输出:11
# 正确示例
numbers = [1, 2, 3, 4]
total = sum(numbers)
print(total) # 输出:10