05 2022 档案
摘要:任务三: def is_valid(x): ls=[str(i) for i in range(0,10)] ls.append('X') if len(x)<18: return False for a in range(len(x)): if x[a] not in ls: return Fal
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摘要:with open('data3.txt', 'r', encoding='utf-8') as f: data = f.read().strip().split('\n') data[0] = '原始数据' + '\t' + '四舍五入后数据' + '\n' for i in range(1, l
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摘要:实验任务一: 源码: print(sum) sum = 42 print(sum) def inc(n): sum = n+1 print(sum) return sum sum = inc(7) + inc(7) print(sum) 运行结果: 实验任务二: 源码: def func(a, b,
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