for循环1763491947929298748349103848
s = 0 for i in range(100): s += (i + 1) print(s) #5050
s=0 for i in '1763491947929298748349103848': s += int(i) print(s)
元组tuple的循环和列表是类似的:
t = ("小明","小红","小王") for i in t: print(i)
小明 小红 小王