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- while 1:
- addr=input("请输入IP地址:").strip()
- alist=addr.split(".")
- v=0
- if len(alist)==4:
- if(alist[0].isdigit() and
- alist[1].isdigit() and
- alist[2].isdigit() and
- alist[3].isdigit()):
- if((-1<int(alist[0]) and int(alist[0])<256) and
- (-1<int(alist[1]) and int(alist[1])<256) and
- (-1<int(alist[2]) and int(alist[2])<256) and
- (-1<int(alist[3]) and int(alist[3])<256) ):
- v=1
- if v:
- break
- print("输入格式不合法,请重新输入!")
- print("请输入您的IP地址",addr)
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- i = 1
- while i < 20:
- i+= 1
- if i%2 > 0: # 非双数时跳过输出
- continue
- print (i) # 输出双数2、4、6、8、10
- count=0
- while count<3:
- score=float(input("请输入分数:"))
- count=count+1
- if score<60:
- print("需要补考")
- break
- else:
- print("全部通过!")
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