Merge branch 'selfteaching:master' into master

00.cover.ipynb

@@ -15,7 +15,7 @@
    "source": [
     "**作者：李笑来**\n",
     "\n",
-    "特别感谢**霍炬**（[@virushuo](https://github.com/virushuo)）、**洪强宁**（[@hongqn](https://github.com/hongqn)) 两位良师诤友在此书写作过程中给予我的巨大帮助！\n",
+    "特别感谢**霍炬**（[@virushuo](https://github.com/huo-ju)）、**洪强宁**（[@hongqn](https://github.com/hongqn)) 两位良师诤友在此书写作过程中给予我的巨大帮助！\n",
     "\n",
     "```python\n",
     "# pseudo-code of selfteaching in Python\n",

Part.3.B.2.classes-2.ipynb

@@ -197,7 +197,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "我们刚刚创建了一个 Golem Class，如果我们想用它 Inherite 一个新的 Class，比如，`Running_Golem`，一个能跑的机器人，那就像以下的代码那样做 —— 注意 `class Running_Golem` 之后的圆括号："
+    "我们刚刚创建了一个 Golem Class，如果我们想用它 Inherit 一个新的 Class，比如，`Running_Golem`，一个能跑的机器人，那就像以下的代码那样做 —— 注意 `class Running_Golem` 之后的圆括号："
    ]
   },
   {
@@ -1146,7 +1146,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },
@@ -1160,10 +1160,10 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.8.3"
+   "version": "3.9.7"
   },
   "toc-autonumbering": true
  },
  "nbformat": 4,
- "nbformat_minor": 2
+ "nbformat_minor": 4
 }

markdown/Part.1.E.5.strings.md

@@ -512,10 +512,11 @@ s.lower().count('mp', 10, 30)
 from IPython.core.interactiveshell import InteractiveShell
 InteractiveShell.ast_node_interactivity = "all"
 
-# str.find(sub[, start[, end]])
-print('Example of str.find():')
 s = """Simple is better than complex.
 Complex is better than complicated."""
+
+print('Example of str.find():')
+# str.find(sub[, start[, end]])
 s.lower().find('mpl')
 s.lower().find('mpl', 10)
 s.lower().find('mpl', 10, 20) # 没有找到就返回 -1