十六進位制以兩位的格式列印輸出比較好檢視，所以參考了willenhu的回答，做了些修改：

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array = [1,2,3,10,11,12]

print(array)

hex_array = []

for item in array:

hex_array.append("0x%02x"%item)

print(hex_array)

輸出如下

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[1, 2, 3, 10, 11, 12]

["0x01", "0x02", "0x03", "0x0a", "0x0b", "0x0c"]

硬編碼行不？

# -*- coding: cp936 -*-

para = "20133233"

new_para = ""

if not len(para)%2:

print para

for i in range(0,len(para),2):

new_para= new_para + "\\x"+para[i:i+2]

else:

print "字串位數不正確!"

print new_para