如何在python（提供的awk示例）文件分隔器中执行此代码

如果我想将以下awk代码作为python代码执行，那么最好的方法是什么？如果我要使用一个列表，我将如何弹出该列表，以便最终可以将字段1和3打印回输出列表并将其写入文件

谢谢 格雷厄姆

测试文件

Error code 27: This is error code 27:Ihave no comment here
Error code 24: This is error code 27:Ihave no comment here
Error code 27: This is error code 27:Ihave no comment here
Error code 26: This is error code 27:Ihave no comment here
Error code 27: This is error code 27:Ihave no comment here
Error code 29: This is error code 27:Ihave no comment here
Error code 01: This is error code 27:Ihave no comment here

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我不会说AWK，我怀疑有很多python程序员都不会。因此，您最好包含输入文件的预期输出，从中，您可以不看AWK代码就知道python解决方案。因此，您最好包含输入文件的预期输出，从中，您可以在不查看AWK代码的情况下找出python解决方案

Error code 27: This is error code 27:Ihave no comment here
Error code 24: This is error code 27:Ihave no comment here
Error code 27: This is error code 27:Ihave no comment here
Error code 26: This is error code 27:Ihave no comment here
Error code 27: This is error code 27:Ihave no comment here
Error code 29: This is error code 27:Ihave no comment here
Error code 01: This is error code 27:Ihave no comment here

f = open(file_name)
for line in f:
  s = line.split(':')
  print s[0],s[2]