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- #coding=utf-8
- import re
- print("十进制转换成二进制、八进制、十六进制")
-
- num = input("请输入一个十进制的整数:")
-
- pattern = re.compile(r'[^0-9]+')
- if(re.search(pattern,num)):
- print("输入的格式不正确")
- else:
- num = int(num)
- #十六进制
- cc = ['0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F']
- #a是二进制,b是八进制,c是十六进制
- alist = []
- blist = []
- clist = []
-
- #转成二进制
- temp = num
- while temp:
- residue = str(temp % 2)
- temp = temp // 2
- alist.append(residue)
- alist.reverse()
-
- #转成八进制
- temp = num
- while temp:
- residue = str(temp % 8)
- temp = temp // 8
- blist.append(residue)
- blist.reverse()
-
- #转成十六进制
- temp = num
- while temp:
- residue = cc[temp % 16]
- temp = temp // 16
- clist.append(residue)
- clist.reverse()
-
- #输出结果
- print("转换成二进制为")
- print(''.join(alist))
- print("转换成八进制为")
- print(''.join(blist))
- print("转换成十六进制为")
- print(''.join(clist))

- #coding=utf-8
- print("十进制转换成二进制、八进制、十六进制")
- try:
- num = int(input("请输入一个十进制的整数:\n"))
- #十六进制
- cc = ['0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F']
- #a是二进制,b是八进制,c是十六进制
- alist = []
- blist = []
- clist = []
-
- #转成二进制
- temp = num
- while temp:
- residue = str(temp % 2)
- temp = temp // 2
- alist.append(residue)
- alist.reverse()
-
- #转成八进制
- temp = num
- while temp:
- residue = str(temp % 8)
- temp = temp // 8
- blist.append(residue)
- blist.reverse()
-
- #转成十六进制
- temp = num
- while temp:
- residue = cc[temp % 16]
- temp = temp // 16
- clist.append(residue)
- clist.reverse()
-
- #输出结果
- print("转换成二进制为")
- print(''.join(alist))
- print("转换成八进制为")
- print(''.join(blist))
- print("转换成十六进制为")
- print(''.join(clist))
-
- except:
- print("输入的格式不正确")

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