def conversion_num(num, src, dest):rtn = ''# 1、校验源和目标是否相同if src == dest:rtn = num# 2、转成10进制#if src != 10:num_str = str(num)num_str = num_str[::-1]exe_num = 0dec_num = 0for num_char in num_str:# 十六进制处理if num_char == 'A':num_char = '10'elif num_char == 'B':num_char = '11'elif num_char == 'C':num_char = '12'elif num_char == 'D':num_char = '13'elif num_char == 'E':num_char = '14'elif num_char == 'F':num_char = '15'num_int = int(num_char)if exe_num == 0:dec_num += num_intelse:dec_num += src ** exe_num * num_intexe_num += 1num = dec_num# 3、转成目标进制if dest == 10:rtn = numelse:num = int(num)while True:divisor = num // destremainder = num % dest# 十六进制处理if remainder == 10:remainder = 'A'elif remainder == 11:remainder = 'B'elif remainder == 12:remainder = 'C'elif remainder == 13:remainder = 'D'elif remainder == 14:remainder = 'E'elif remainder == 15:remainder = 'F'rtn = str(remainder) + rtnif divisor <= 0:breakelse:num = divisor# 4、处理空的字符串if rtn == '':rtn = '0'return rtnnew_num = conversion_num('111111', 2, 16)
print(new_num) 

def conversion_num(num, src, dest):rtn = ''# 1、校验源和目标是否相同if src == dest:rtn = num# 2、转成10进制#if src != 10:dec_num = 0if src == 2:dec_num = int(num, 2)elif src == 8:dec_num = int(num, 8)elif src == 16:dec_num = int(num, 16)num = dec_num# 3、转成目标进制if dest == 10:rtn = numelse:if dest == 2:rtn = bin(num)elif dest == 8:rtn = oct(num)elif dest == 16:rtn = hex(num)# 4、处理空的字符串if rtn == '':rtn = '0'return rtnnew_num = conversion_num('111111', 2, 16)
print(new_num)