#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")