diff --git a/2/.idea/.gitignore b/2/.idea/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..35410cacdc5e87f985c93a96520f5e11a5c822e4
--- /dev/null
+++ b/2/.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/2/.idea/2.iml b/2/.idea/2.iml
new file mode 100644
index 0000000000000000000000000000000000000000..a5e51ba58ef6c6ebfc9c64b0f37f77006d077b89
--- /dev/null
+++ b/2/.idea/2.iml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/.venv" />
+    </content>
+    <orderEntry type="jdk" jdkName="Python 3.10 (2) (2)" jdkType="Python SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/2/.idea/inspectionProfiles/profiles_settings.xml b/2/.idea/inspectionProfiles/profiles_settings.xml
new file mode 100644
index 0000000000000000000000000000000000000000..105ce2da2d6447d11dfe32bfb846c3d5b199fc99
--- /dev/null
+++ b/2/.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/2/.idea/misc.xml b/2/.idea/misc.xml
new file mode 100644
index 0000000000000000000000000000000000000000..3a3f5d63dfb24ce50ed167852638c4549c2a3dc4
--- /dev/null
+++ b/2/.idea/misc.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Black">
+    <option name="sdkName" value="Python 3.10 (2)" />
+  </component>
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.10 (2) (2)" project-jdk-type="Python SDK" />
+</project>
\ No newline at end of file
diff --git a/2/.idea/modules.xml b/2/.idea/modules.xml
new file mode 100644
index 0000000000000000000000000000000000000000..fb4f10bbf912526056ba0d917df3956cb6684207
--- /dev/null
+++ b/2/.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/2.iml" filepath="$PROJECT_DIR$/.idea/2.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/2/__pycache__/datas.cpython-310.pyc b/2/__pycache__/datas.cpython-310.pyc
new file mode 100644
index 0000000000000000000000000000000000000000..5be9863cb3c938c19e2dc865be8f8389cedefaf9
Binary files /dev/null and b/2/__pycache__/datas.cpython-310.pyc differ
diff --git a/2/datas.py b/2/datas.py
new file mode 100644
index 0000000000000000000000000000000000000000..f5291da650a9774460361b3d316533754d65f9f9
--- /dev/null
+++ b/2/datas.py
@@ -0,0 +1,52 @@
+#是不是学区房 1 2  装修风格  1 2
+datas=[
+    {
+        "city":"吕梁",
+        "area":100,
+        "rooms":2,
+        "school":1,
+        "style":1,
+        "price":8000
+        },
+    {
+            "city":"太原",
+            "area":100,
+            "rooms":2,
+            "school":1,
+            "style":1,
+            "price":8000
+        },
+    {
+            "city":"吕梁",
+            "area":102,
+            "rooms":2,
+            "school":1,
+            "style":1,
+            "price":9000
+        },
+    {
+            "city":"太原",
+            "area":120,
+            "rooms":2,
+            "school":1,
+            "style":1,
+            "price":9000
+        },
+    {
+            "city":"吕梁",
+            "area":100,
+            "rooms":2,
+            "school":2,
+            "style":1,
+            "price":80000
+        },
+    {
+            "city":"太原",
+            "area":100,
+            "rooms":2,
+            "school":1,
+            "style":2,
+            "price":80000
+        }
+
+]
\ No newline at end of file
diff --git a/2/preject.py b/2/preject.py
new file mode 100644
index 0000000000000000000000000000000000000000..4ceeb5e654912d0b7f6d5477f713a7efab2cd9b8
--- /dev/null
+++ b/2/preject.py
@@ -0,0 +1,22 @@
+import numpy as np
+from datas import datas
+X=[]
+Y=[]
+cityMark={"吕梁":1,"太原":2}
+for i in datas:
+    single=[]
+
+    single.append(cityMark[i["city"]])
+    single.append(i["area"])
+    single.append(i["rooms"])
+    single.append(i["school"])
+    single.append(i["style"])
+    X.append(single)
+    Y.append(i["price"])
+
+X=np.array(X)
+Y=np.array(Y)
+
+theta=np.linalg.pinv(X.T.dot(X)).dot(X.T).dot(Y)
+
+print(theta.dot(np.array([2,100,2,1,1])))