前言
最近在实习，任务并不是很重，就利用闲暇时间使用Python3在PAT网站上刷题，并致力于使用Python3的特性和函数式编程的理念，其中大部分题目都有着类似的输入输出格式，例如一行读入若干个数字，字符串，每行输出多少个字符串等等，所以产生了很多重复的代码。
Python代码
于是我就利用VS Code的代码片段功能编写了一个用于处理这些输入输出的代码框架，并加入了测试功能（写函数前先写测试时正确的事情）。代码如下
"""Simple Console Program With Data Input And Output."""import sysimport iodef read_int(): """Read a seris of numbers.""" return list(map(int, sys.stdin.readline().split()))def test_read_int(): """Test the read_int function""" test_file = io.StringIO("1 2 3\n") sys.stdin = test_file assert read_int() == [1, 2, 3], "read_int error"def read_float(): """Read a seris of float numbers.""" return list(map(float, sys.stdin.readline().split()))def test_read_float(): """Test the read_float function""" test_file = io.StringIO("1 2 3\n") sys.stdin = test_file assert read_float() == [1.0, 2.0, 3.0], "read_float error"def read_word(): """Read a seris of string.""" return list(map(str, sys.stdin.readline().split()))def test_read_word(): """Test the read_word function""" test_file = io.StringIO("1 2 3\n") sys.stdin = test_file assert read_word() == ["1", "2", "3"], "read_word error"def combine_with(seq, sep=' ', num=None): """Combine list enum with a character and return the string object""" res = sep.join(list(map(str, seq))) if num is not None: res = str(seq[0]) for element in range(1, len(seq)): res += sep + \ str(seq[element]) if element % num != 0 else '\n' + \ str(seq[element]) return resdef test_combile_with(): """Test the combile_with function.""" assert combine_with([1, 2, 3, 4, 5], '*', 2) == """1*23*45""", "combine_with error."def main(): """The main function.""" passif __name__ == '__main__': sys.exit(int(main() or 0)) VS Code代码片段
添加到VS Code的默认代码片段的操作大致如下：
文件->首选项->用户代码片段，选择Python
编辑"python.json"文件如以下内容
{/* // Place your snippets for Python here. Each snippet is defined under a snippet name and has a prefix, body and // description. The prefix is what is used to trigger the snippet and the body will be expanded and inserted. Possible variables are: // $1, $2 for tab stops, ${id} and ${id:label} and ${1:label} for variables. Variables with the same id are connected. // Example: "Print to console": { "prefix": "log", "body": [ "console.log('$1');", "$2" ], "description": "Log output to console" }*/ "Simple Console Program With Data Input And Output": { "prefix": "simple", "body": ["\"\"\"Simple Console Program With Data Input And Output.\"\"\"\nimport sys\n\ndef read_int():\n \"\"\"Read a seris of numbers.\"\"\"\n return list(map(int, sys.stdin.readline().split()))\n\n\ndef read_float():\n \"\"\"Read a seris of float numbers.\"\"\"\n return list(map(float, sys.stdin.readline().split()))\n\n\ndef read_word():\n \"\"\"Read a seris of string.\"\"\"\n return list(map(str, sys.stdin.readline().split()))\n\n\ndef combine_with(seq, sep=' ', num=None):\n \"\"\"Combine list enum with a character and return the string object\"\"\"\n res = sep.join(list(map(str, seq)))\n if num is not None:\n res = str(seq[0])\n for element in range(1, len(seq)):\n res += sep + str(seq[element]) if element % num != 0 else '\\n' + str(seq[element])\n return res\n\n\ndef main():\n \"\"\"The main function.\"\"\"\n pass\n\n\nif __name__ == '__main__':\n sys.exit(int(main() or 0))\n" ], "description": "Simple Console Program With Data Input And Output" }}``` 然后再编写Python代码的时候，键入"simple"就可以自动输入以上模板。# 总结