05 2022 档案
摘要:task3 def is_valid(x): if len(x)!=18: return False else: if x.isdecimal(): return True elif x.find('X')and x.strip('X').isdecimal(): return True else:
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摘要:task3 with open('C:/Users/dell/Desktop/实验5数据文件/data3.txt','r+',encoding='utf_8')as f: a=[] b=[] for line in f.readline(): line=line.strip('\n') a.appe
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摘要:实验任务1 print(sum) sum=42 print(sum) def inc(n): sum=n+1 print(sum) return sum sum=inc(7)+inc(7) print(sum) Q:不是 line1:line1之前 line2:line2-3 line7:line6
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