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发表于 2021-12-28 15:20:06
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- # 1
- class Int:
- def __init__(self, num):
- self.num = num
-
- def getSum(self):
- s = sum(map(int, self.num))
- prompt = f"{self.num}的各个数位上的数字之和为{s}"
- return prompt
- if __name__ == "__main__":
- i = Int("123")
- print(i.getSum())
- # 2
- import random
- scores = [random.randint(0,100) for i in range(200)]
- def get_scores_info(scores):
- p0_60 = len([i for i in scores if i in range(0, 60)]) / len(scores)
- p60_80 = len([i for i in scores if i in range(60, 80)]) / len(scores)
- p80_90 = len([i for i in scores if i in range(80, 90)]) / len(scores)
- p90_100 = len([i for i in scores if i in range(90, 101)]) / len(scores)
-
- kinds = ("[0, 60)", "[60, 80)", "[80, 90)", "[90, 100]")
- nums = (p0_60, p60_80, p80_90, p90_100)
- s_dict = dict(zip(kinds, nums))
- for i in kinds:
- print(f"{i}占比为{s_dict[i] * 100}%")
- if __name__ == "__main__":
- get_scores_info(scores)
- # 3
- text = """name,age,score
- tom,12,86
- Lee,15,99
- Lucy,11,58
- Joseph,19,56"""
- with open(r"e:\record.txt", "w", encoding="utf-8") as f:
- f.write(text)
- with open(r"e:\record.txt", "r", encoding="utf-8") as f:
- data = f.read().splitlines()[1:]
- sum_score = 0
- for l in data:
- r = l.split(",")
- s = float(r[-1])
- sum_score += s
- if s < 60:
- print(r[0])
- print(sum_score)
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