diff --git a/docs/appendix/01_use_cases.md b/docs/appendix/01_use_cases.md
new file mode 100644
index 0000000..c117f5b
--- /dev/null
+++ b/docs/appendix/01_use_cases.md
@@ -0,0 +1,16 @@
+# Python 用例索引
+为了方便大家索引内容，我们将我们这套教程中的相关使用用例通过索引的方式列出来了。
+
+因为 MD 文件格式的局限性，我们没有办法在这里帮助大家进行一一解答和讨论，所以我们将解答和用例放到了 [WWW.OSSEZ.COM](https://www.ossez.com) 平台下 Python 分类中。
+
+请访问: https://www.ossez.com/c/open-source/python/14 参与讨论，我会在这里等着大家。
+
+## 索引链接
+请通过索引的链接快速参与讨论了解更多详细的内容。
+
+### 语言基础
+针对语言的基础，请访问下面的的链接中的内容。
+
+| 文章标题  | 简要介绍  |
+|---|---|
+| [Python With 关键字和语句](https://www.ossez.com/t/python-with/13387)  | 针对 with 关键字的使用进行了一些解答。  |
diff --git a/tests/FileWith.py b/tests/FileWith.py
new file mode 100644
index 0000000..b989bb5
--- /dev/null
+++ b/tests/FileWith.py
@@ -0,0 +1,17 @@
+# Python script to Read file from JSON and convert to YAML
+# Author - HoneyMoose (https://www.ossez.com)
+
+import json
+
+json_filename = 'resources/honeymoose_test.json'
+
+# Read and process JSON
+with open(json_filename) as json_file:
+    data = json.load(json_file)
+    print(type(data))
+
+    for data_dict in data:
+        label_id = data_dict['label_id']
+        print(str(label_id))
+
+print(json_file.closed)
diff --git a/tests/Json2Yaml.py b/tests/Json2Yaml.py
new file mode 100644
index 0000000..b16b4a7
--- /dev/null
+++ b/tests/Json2Yaml.py
@@ -0,0 +1,23 @@
+# Python script to Read file from JSON and convert to YAML
+# Author - HoneyMoose (https://www.ossez.com)
+
+import json
+import ruamel.yaml as yaml
+
+json_filename = 'resources/black_rock_test.json'
+yaml_filename = 'resources/black_rock_test.yaml'
+
+# Read and process JSON
+with open(json_filename) as json_file:
+    data = json.load(json_file)
+    print(type(data))
+
+    for data_dict in data:
+        label_id = data_dict['label_id']
+        print(str(label_id))
+json_file.close()
+
+# Write to YAML
+yaml_file = open(yaml_filename, 'w+')
+yaml.dump(data, yaml_file, allow_unicode=True)
+yaml_file.close()
diff --git a/tests/Keywords.py b/tests/Keywords.py
index 4c23962..75f556f 100644
--- a/tests/Keywords.py
+++ b/tests/Keywords.py
@@ -2,6 +2,7 @@
 # Author - https://www.ossez.com
 
 import keyword
+import json
 
 print(keyword.kwlist)
 print(len(keyword.kwlist))
diff --git a/tests/resources/black_rock_test.json b/tests/resources/black_rock_test.json
new file mode 100644
index 0000000..b608e34
--- /dev/null
+++ b/tests/resources/black_rock_test.json
@@ -0,0 +1,10 @@
+[
+  {
+    "label_id": 603,
+    "user_name": "YUCHENG-L1"
+  },
+  {
+    "label_id": 604,
+    "user_name": "YUCHENG-L2"
+  }
+]
\ No newline at end of file
diff --git a/tests/resources/honeymoose_test.json b/tests/resources/honeymoose_test.json
new file mode 100644
index 0000000..b608e34
--- /dev/null
+++ b/tests/resources/honeymoose_test.json
@@ -0,0 +1,10 @@
+[
+  {
+    "label_id": 603,
+    "user_name": "YUCHENG-L1"
+  },
+  {
+    "label_id": 604,
+    "user_name": "YUCHENG-L2"
+  }
+]
\ No newline at end of file