《Python入门100题》之第五题:计算阶乘的和
题目:求1+2!+3!+.....+20!的和.
# 题目:求1+2!+3!+.....+20!的和. ji = 1 sum = 0 for i in range(1, 20 + 1): # 先把阶乘表示出来 ji = ji * i print(ji) sum += ji print(sum)
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