进制转换

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
base = [str(x) for x in range(10)] + [chr(x) for x in range(ord('A'), ord('A')+6)]

# 十进制 to 二进制
def dec2bin(string_num):
num = int(string_num)
mid = []
while True:
if num == 0: break
num, rem = divmod(num, 2)
mid.append(base[rem])
return ''.join([str(x) for x in mid[::-1]])
# bin(string_num)

# 十进制 to 十六进制
def dec2hex(string_num):
num = int(string_num)
if num == 0:
return '0'
mid = []
while True:
if num == 0: break
num, rem = divmod(num, 16)
mid.append(base[rem])
return ''.join([str(x) for x in mid[::-1]])
# return hex(string_num)

# 二进制 to 十进制
def bin2dec(string_num):
return str(int(string_num, 2))

# 二进制 to 十六进制
def bin2hex(string_num):
return dec2hex(bin2dec(string_num))
# hex(int(string_num, 2))

# 十六进制 to 二进制
def hex2bin(string_num):
return dec2bin(hex2dec(string_num.upper()))
# return bin(int(string_num.upper(), 16))

# 十六进制 to 十进制
def hex2dec(string_num):
return str(int(string_num.upper(), 16))
0%