Python进制相互转换（⼆进制、⼗进制和⼗六进制）的代码如下的内容内容是关于Python进制相互转换（⼆进制、⼗进制和⼗六进制）的内容，希望对各位朋友有⽤。
#!/usr/bin/env python
2/10/16 base trans. wrote by srcdog on 20th, April, 2009
ld elements in base 2, 10, 16.
import os,sys
global definition
base = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F]
base = [str(x) for x in range(10)] + [ chr(x) for x in range(ord(‘A’),ord(‘A’)+6)]
bin2dec
⼆进制 to ⼗进制: int(str,n=10)
def bin2dec(string_num):
return str(int(string_num, 2))
hex2dec
⼗六进制 to ⼗进制
def hex2dec(string_num):
return str(int(string_num.upper(), 16))
dec2bin
⼗进制 to ⼆进制: bin()
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]])
dec2hex
⼗进制 to ⼋进制: oct()
⼗进制 to ⼗六进制: hex()
def dec2hex(string_num):
num = int(string_num)
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]])
hex2tobin
⼗六进制 to ⼆进制: bin(int(str,16))
def hex2bin(string_num):
return dec2bin(hex2dec(string_num.upper())) bin2hex
python代码转换⼆进制 to ⼗六进制: hex(int(str,2))
def bin2hex(string_num):
return dec2hex(bin2dec(string_num))

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