update readme

Author: wklken

README.md

@@ -20,153 +20,243 @@ stackoverflow上Python相关回答整理翻译
 ### 目录
 > 基础
 
-* 控制流
--rw-r--r--   1 ken  staff  5425 Sep 21 11:48 qa-control-flow.md
-* 字符串
--rw-r--r--   1 ken  staff  7987 Sep 21 11:06 qa-string.md
-* 文件
--rw-r--r--   1 ken  staff  6385 Sep 21 11:09 qa-file.md
-* 数学相关
--rw-r--r--   1 ken  staff  1310 Sep 21 11:48 qa-math.md
+* [控制流]https://github.com/wklken/stackoverflow-py-top-qa/blob/master/contents/qa-control-flow.md)
+* [字符串]https://github.com/wklken/stackoverflow-py-top-qa/blob/master/contents/qa-string.md)
+* [文件]https://github.com/wklken/stackoverflow-py-top-qa/blob/master/contents/qa-file.md)
+* [数学相关]https://github.com/wklken/stackoverflow-py-top-qa/blob/master/contents/qa-math.md)
 
 
 > 基本数据结构
 
-* 列表
--rw-r--r--   1 ken  staff  8035 Sep 21 11:06 qa-list.md
-* 元组
--rw-r--r--   1 ken  staff     0 Sep 15 17:13 qa-tuple.md
-* 字典
--rw-r--r--   1 ken  staff  4480 Sep 15 17:36 qa-dict.md
+* [列表](https://github.com/wklken/stackoverflow-py-top-qa/blob/master/contents/qa-list.md)
+* [元组](https://github.com/wklken/stackoverflow-py-top-qa/blob/master/contents/qa-tuple.md)
+* [字典](https://github.com/wklken/stackoverflow-py-top-qa/blob/master/contents/qa-dict.md)
 
 > 进阶
 
-* 函数
--rw-r--r--   1 ken  staff  1849 Sep 21 11:43 qa-func.md
-* 内置函数
--rw-r--r--   1 ken  staff  3091 Sep 21 11:48 qa-built-in.md
-* 异常
--rw-r--r--   1 ken  staff  3485 Sep 21 11:43 qa-exception.md
-* 模块
--rw-r--r--   1 ken  staff  4368 Sep 21 11:48 qa-std-modules.md
--rw-r--r--   1 ken  staff   660 Sep 21 11:13 qa-modules.md
--rw-r--r--   1 ken  staff  1030 Sep 21 11:48 qa-datetime.md
+* [函数](https://github.com/wklken/stackoverflow-py-top-qa/blob/master/contents/qa-func.md)
+* [内置函数](https://github.com/wklken/stackoverflow-py-top-qa/blob/master/contents/qa-built-in.md)
+* [异常](https://github.com/wklken/stackoverflow-py-top-qa/blob/master/contents/qa-exception.md)
+* 模块 
+    [模块](https://github.com/wklken/stackoverflow-py-top-qa/blob/master/contents/qa-modules.md)
+    [标准库](https://github.com/wklken/stackoverflow-py-top-qa/blob/master/contents/qa-std-modules.md)
+    [日期](https://github.com/wklken/stackoverflow-py-top-qa/blob/master/contents/qa-datetime.md)
 
-* oop
--rw-r--r--   1 ken  staff  9772 Sep 21 11:13 qa-oop.md
+* [oop](https://github.com/wklken/stackoverflow-py-top-qa/blob/master/contents/qa-oop.md)
 
 > 其他
 
-* pip/easy_install
--rw-r--r--   1 ken  staff  1729 Sep 15 17:36 qa-pip-easy_install.md
+* [pip/easy_install](https://github.com/wklken/stackoverflow-py-top-qa/blob/master/contents/qa-pip-easy_install.md)
 
-* 其他
--rw-r--r--   1 ken  staff  3156 Sep 21 11:48 qa-others.md
+* [其他](https://github.com/wklken/stackoverflow-py-top-qa/blob/master/contents/qa-others.md)
 
 
 ### 已翻译问题链接(去重)
+
 qa-built-in.md:问题 - http://stackoverflow.com/questions/230751/how-to-flush-output-of-python-print
+
 qa-built-in.md:重复问题 - http://stackoverflow.com/questions/107705/python-output-buffering
+
 qa-built-in.md:问题 - http://stackoverflow.com/questions/1835018/python-check-if-an-object-is-a-list-or-tuple-but-not-string
+
 qa-built-in.md:问题 - http://stackoverflow.com/questions/152580/whats-the-canonical-way-to-check-for-type-in-python
+
 qa-built-in.md:问题 - http://stackoverflow.com/questions/402504/how-to-determine-the-variable-type-in-python
+
 qa-built-in.md:另外一个相同的问题  - http://stackoverflow.com/questions/2225038/python-determine-the-type-of-an-object
+
 qa-control-flow.md:问题 - http://stackoverflow.com/questions/73663/terminating-a-python-script
+
 qa-control-flow.md:问题 - http://stackoverflow.com/questions/26595/is-there-any-difference-between-foo-is-none-and-foo-none
+
 qa-control-flow.md:问题 - http://stackoverflow.com/questions/522563/accessing-the-index-in-python-for-loops
+
 qa-control-flow.md:问题 - http://stackoverflow.com/questions/53162/how-can-i-do-a-line-break-line-continuation-in-python
+
 qa-control-flow.md:问题 - http://stackoverflow.com/questions/9284350/why-does-1-in-1-0-true-evaluate-to-false
+
 qa-control-flow.md:问题 - http://stackoverflow.com/questions/60208/replacements-for-switch-statement-in-python
+
 qa-control-flow.md:问题 - http://stackoverflow.com/questions/2710940/python-if-x-is-not-none-or-if-not-x-is-none
+
 qa-control-flow.md:问题 - http://stackoverflow.com/questions/423379/using-global-variables-in-a-function-other-than-the-one-that-created-them
+
 qa-datetime.md:问题 - http://stackoverflow.com/questions/1697815/how-do-you-convert-a-python-time-struct-time-object-into-a-datetime-object
+
 qa-datetime.md:问题 - http://stackoverflow.com/questions/415511/how-to-get-current-time-in-python
+
 qa-dict.md:问题 - http://stackoverflow.com/questions/1747817/python-create-a-dictionary-with-list-comprehension
+
 qa-dict.md:问题 - http://stackoverflow.com/questions/1323410/has-key-or-in
+
 qa-dict.md:问题 - http://stackoverflow.com/questions/1602934/check-if-a-given-key-already-exists-in-a-dictionary
+
 qa-dict.md:问题 - http://stackoverflow.com/questions/1024847/add-to-a-dictionary-in-python
+
 qa-dict.md:问题 - http://stackoverflow.com/questions/1305532/convert-python-dict-to-object
+
 qa-dict.md:问题 - http://stackoverflow.com/questions/38987/how-can-i-merge-union-two-python-dictionaries-in-a-single-expression
+
 qa-dict.md:问题 - http://stackoverflow.com/questions/209840/map-two-lists-into-a-dictionary-in-python
+
 qa-dict.md:问题 - http://stackoverflow.com/questions/72899/in-python-how-do-i-sort-a-list-of-dictionaries-by-values-of-the-dictionary
+
 qa-exception.md:问题 - http://stackoverflow.com/questions/1319615/proper-way-to-declare-custom-exceptions-in-modern-python
+
 qa-exception.md:问题 - http://stackoverflow.com/questions/2052390/how-do-i-manually-throw-raise-an-exception-in-python
+
 qa-exception.md:问题 - http://stackoverflow.com/questions/6470428/catch-multiple-exceptions-in-one-line-except-block
+
 qa-exception.md:问题 - http://stackoverflow.com/questions/944592/best-practice-for-python-assert
+
 qa-file.md:问题 - http://stackoverflow.com/questions/273192/python-best-way-to-create-directory-if-it-doesnt-exist-for-file-write
+
 qa-file.md:问题 - http://stackoverflow.com/questions/123198/how-do-i-copy-a-file-in-python
+
 qa-file.md:问题 - http://stackoverflow.com/questions/275018/how-can-i-remove-chomp-a-newline-in-python
+
 qa-file.md:类似问题 - http://stackoverflow.com/questions/761804/trimming-a-string-in-python
+
 qa-file.md:问题 - http://stackoverflow.com/questions/237079/how-to-get-file-creation-modification-date-times-in-python
+
 qa-file.md:问题 - http://stackoverflow.com/questions/466345/converting-string-into-datetime
+
 qa-file.md:问题 - http://stackoverflow.com/questions/5137497/find-current-directory-and-files-directory
+
 qa-file.md:问题 - http://stackoverflow.com/questions/3964681/find-all-files-in-directory-with-extension-txt-with-python
+
 qa-file.md:问题 - http://stackoverflow.com/questions/3277503/python-read-file-line-by-line-into-array
+
 qa-file.md:问题 - http://stackoverflow.com/questions/4706499/how-do-you-append-to-file-in-python
+
 qa-file.md:问题 - http://stackoverflow.com/questions/541390/extracting-extension-from-filename-in-python
+
 qa-file.md:问题 - http://stackoverflow.com/questions/3207219/how-to-list-all-files-of-a-directory-in-python
+
 qa-file.md:重复问题 - http://stackoverflow.com/questions/120656/directory-listing-in-python
+
 qa-file.md:问题 - http://stackoverflow.com/questions/1450393/how-do-you-read-from-stdin-in-python
+
 qa-func.md:问题 - http://stackoverflow.com/questions/251464/how-to-get-the-function-name-as-string-in-python
+
 qa-func.md:问题 - http://stackoverflow.com/questions/3061/calling-a-function-from-a-string-with-the-functions-name-in-python
+
 qa-func.md:问题  - http://stackoverflow.com/questions/36901/what-does-double-star-and-star-do-for-python-parameters
+
 qa-list.md:问题 - http://stackoverflow.com/questions/509211/the-python-slice-notation
+
 qa-list.md:问题 - http://stackoverflow.com/questions/53513/python-what-is-the-best-way-to-check-if-a-list-is-empty
+
 qa-list.md:问题 - http://stackoverflow.com/questions/1720421/merge-two-lists-in-python
+
 qa-list.md:问题 - http://stackoverflow.com/questions/518021/getting-the-length-of-an-array-in-python
+
 qa-list.md:问题 - http://stackoverflow.com/questions/2612802/how-to-clone-a-list-in-python
+
 qa-list.md:问题 - http://stackoverflow.com/questions/252703/python-append-vs-extend
+
 qa-list.md:问题 - http://stackoverflow.com/questions/306400/how-do-i-randomly-select-an-item-from-a-list-using-python
+
 qa-list.md:问题 - http://stackoverflow.com/questions/627435/how-to-remove-an-element-from-a-list-by-index-in-python
+
 qa-list.md:问题 - http://stackoverflow.com/questions/930397/how-to-get-the-last-element-of-a-list
+
 qa-list.md:问题 - http://stackoverflow.com/questions/312443/how-do-you-split-a-list-into-evenly-sized-chunks-in-python
+
 qa-list.md:问题 - http://stackoverflow.com/questions/480214/how-do-you-remove-duplicates-from-a-list-in-python-whilst-preserving-order
+
 qa-list.md:问题 - http://stackoverflow.com/questions/1207406/remove-items-from-a-list-while-iterating-in-python
+
 qa-list.md:问题 - http://stackoverflow.com/questions/176918/in-python-how-do-i-find-the-index-of-an-item-given-a-list-containing-it
+
 qa-list.md:问题 - http://stackoverflow.com/questions/952914/making-a-flat-list-out-of-list-of-lists-in-python
+
 qa-math.md:问题 - http://stackoverflow.com/questions/1476/how-do-you-express-binary-literals-in-python
+
 qa-math.md:问题 - http://stackoverflow.com/questions/209513/convert-hex-string-to-int-in-python
+
 qa-math.md:问题 - http://stackoverflow.com/questions/1267869/how-can-i-force-division-to-be-floating-point-in-python
+
 qa-modules.md:问题 - http://stackoverflow.com/questions/448271/what-is-init-py-for
+
 qa-modules.md:问题 - http://stackoverflow.com/questions/67631/how-to-import-a-module-given-the-full-path
+
 qa-oop.md:问题 - http://stackoverflow.com/questions/2709821/python-self-explained
+
 qa-oop.md:问题 - http://stackoverflow.com/questions/70528/why-are-pythons-private-methods-not-actually-private
+
 qa-oop.md:问题 - http://stackoverflow.com/questions/38238/what-are-class-methods-in-python-for
+
 qa-oop.md:问题 - http://stackoverflow.com/questions/674304/pythons-use-of-new-and-init
+
 qa-oop.md:来自 - http://mail.python.org/pipermail/tutor/2008-April/061426.html
+
 qa-oop.md:问题 - http://stackoverflow.com/questions/510972/getting-the-class-name-of-an-instance-in-python
+
 qa-oop.md:问题 - http://stackoverflow.com/questions/136097/what-is-the-difference-between-staticmethod-and-classmethod-in-python
+
 qa-oop.md:问题 - http://stackoverflow.com/questions/735975/static-methods-in-python
+
 qa-oop.md:问题 - http://stackoverflow.com/questions/68645/static-class-variables-in-python
+
 qa-oop.md:问题 - http://stackoverflow.com/questions/610883/how-to-know-if-an-object-has-an-attribute-in-python
+
 qa-oop.md:问题 - http://stackoverflow.com/questions/31875/is-there-a-simple-elegant-way-to-define-singletons-in-python
+
 qa-others.md:问题 - http://stackoverflow.com/questions/170921/should-i-learn-python-2-before-3-or-start-directly-from-python-3
+
 qa-others.md:问题 - http://stackoverflow.com/questions/1534210/use-different-python-version-with-virtualenv
+
 qa-others.md:问题 - http://stackoverflow.com/questions/990754/how-to-leave-a-python-virtualenv
+
 qa-others.md:问题 - http://stackoverflow.com/questions/193161/what-is-the-best-project-structure-for-a-python-application
+
 qa-others.md:问题 - http://stackoverflow.com/questions/13311094/counter-in-collections-module-python
+
 qa-pip-easy_install.md:问题 - http://stackoverflow.com/questions/2720014/upgrading-all-packages-with-pip
+
 qa-pip-easy_install.md:问题 - http://stackoverflow.com/questions/1231688/how-do-i-remove-packages-installed-with-pythons-easy-install
+
 qa-pip-easy_install.md:问题 - http://stackoverflow.com/questions/122327/how-do-i-find-the-location-of-my-python-site-packages-directory
+
 qa-pip-easy_install.md:问题 - http://stackoverflow.com/questions/1550226/python-setup-py-uninstall
+
 qa-pip-easy_install.md:问题 - http://stackoverflow.com/questions/739993/get-a-list-of-installed-python-modules
+
 qa-std-modules.md:问题 - http://stackoverflow.com/questions/712791/json-and-simplejson-module-differences-in-python
+
 qa-std-modules.md:问题 - http://stackoverflow.com/questions/22676/how-do-i-download-a-file-over-http-using-python
+
 qa-std-modules.md:问题 - http://stackoverflow.com/questions/4480075/argparse-optional-positional-arguments
+
 qa-std-modules.md:问题 - http://stackoverflow.com/questions/842059/is-there-a-portable-way-to-get-the-current-username-in-python
+
 qa-std-modules.md:问题 - http://stackoverflow.com/questions/1912434/how-do-i-parse-xml-in-python
+
 qa-string.md:问题 - http://stackoverflow.com/questions/493819/python-join-why-is-it-string-joinlist-instead-of-list-joinstring
+
 qa-string.md:问题 - http://stackoverflow.com/questions/6797984/how-to-convert-string-to-lowercase-in-python
+
 qa-string.md:问题 - http://stackoverflow.com/questions/931092/reverse-a-string-in-python
+
 qa-string.md:问题 - http://stackoverflow.com/questions/3437059/does-python-have-a-string-contains-method
+
 qa-string.md:问题 - http://stackoverflow.com/questions/354038/how-do-i-check-if-a-string-is-a-number-in-python
+
 qa-string.md:问题 - http://stackoverflow.com/questions/5082452/python-string-formatting-vs-format
+
 qa-string.md:问题 - http://stackoverflow.com/questions/988228/converting-a-string-to-dictionary
+
 qa-string.md:问题 - http://stackoverflow.com/questions/227459/ascii-value-of-a-character-in-python
+
 qa-string.md:问题 - http://stackoverflow.com/questions/1059559/python-strings-split-with-multiple-separators
+
 qa-string.md:问题 - http://stackoverflow.com/questions/1185524/how-to-trim-whitespace-including-tabs
+
 qa-string.md:问题 - http://stackoverflow.com/questions/663171/is-there-a-way-to-substring-a-string-in-python
+
 qa-string.md:问题 - http://stackoverflow.com/questions/1504717/python-vs-is-comparing-strings-is-fails-sometimes-why
+
 qa-string.md:问题 - http://stackoverflow.com/questions/339007/python-nicest-way-to-pad-zeroes-to-string