diff --git a/homework2/.idea/.gitignore b/homework2/.idea/.gitignore
new file mode 100644
index 0000000..35410ca
--- /dev/null
+++ b/homework2/.idea/.gitignore
@@ -0,0 +1,8 @@
+# 默认忽略的文件
+/shelf/
+/workspace.xml
+# 基于编辑器的 HTTP 客户端请求
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/homework2/.idea/MarsCodeWorkspaceAppSettings.xml b/homework2/.idea/MarsCodeWorkspaceAppSettings.xml
new file mode 100644
index 0000000..05ed8ba
--- /dev/null
+++ b/homework2/.idea/MarsCodeWorkspaceAppSettings.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="com.codeverse.userSettings.MarscodeWorkspaceAppSettingsState">
+    <option name="ckgOperationStatus" value="SUCCESS" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/homework2/.idea/homework2.iml b/homework2/.idea/homework2.iml
new file mode 100644
index 0000000..2051088
--- /dev/null
+++ b/homework2/.idea/homework2.iml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="jdk" jdkName="ai-homework" jdkType="Python SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/homework2/.idea/inspectionProfiles/profiles_settings.xml b/homework2/.idea/inspectionProfiles/profiles_settings.xml
new file mode 100644
index 0000000..105ce2d
--- /dev/null
+++ b/homework2/.idea/inspectionProfiles/profiles_settings.xml
@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>
\ No newline at end of file
diff --git a/homework2/.idea/misc.xml b/homework2/.idea/misc.xml
new file mode 100644
index 0000000..6de7068
--- /dev/null
+++ b/homework2/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Black">
+    <option name="sdkName" value="ai-homework" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/homework2/.idea/modules.xml b/homework2/.idea/modules.xml
new file mode 100644
index 0000000..de00548
--- /dev/null
+++ b/homework2/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/homework2.iml" filepath="$PROJECT_DIR$/.idea/homework2.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/homework2/.idea/vcs.xml b/homework2/.idea/vcs.xml
new file mode 100644
index 0000000..6c0b863
--- /dev/null
+++ b/homework2/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/homework2/main.py b/homework2/main.py
new file mode 100644
index 0000000..e69de29