diff --git a/work/.idea/.gitignore b/work/.idea/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..13566b81b018ad684f3a35fee301741b2734c8f4
--- /dev/null
+++ b/work/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/work/.idea/inspectionProfiles/profiles_settings.xml b/work/.idea/inspectionProfiles/profiles_settings.xml
new file mode 100644
index 0000000000000000000000000000000000000000..105ce2da2d6447d11dfe32bfb846c3d5b199fc99
--- /dev/null
+++ b/work/.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/work/.idea/misc.xml b/work/.idea/misc.xml
new file mode 100644
index 0000000000000000000000000000000000000000..08c484f8e372e97b64f7c46d85dae8c291c79811
--- /dev/null
+++ b/work/.idea/misc.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.11 (work)" project-jdk-type="Python SDK" />
+</project>
\ No newline at end of file
diff --git a/work/.idea/modules.xml b/work/.idea/modules.xml
new file mode 100644
index 0000000000000000000000000000000000000000..263cec1c8840b31a68fea054075aff31851bae1f
--- /dev/null
+++ b/work/.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/work.iml" filepath="$PROJECT_DIR$/.idea/work.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/work/.idea/work.iml b/work/.idea/work.iml
new file mode 100644
index 0000000000000000000000000000000000000000..b67588fbce3797471836cbd10ccf3be073783bca
--- /dev/null
+++ b/work/.idea/work.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="Python 3.11 (work)" jdkType="Python SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/work/datas.py b/work/datas.py
new file mode 100644
index 0000000000000000000000000000000000000000..1e0cdf6682a7f10a3adfdf6ccde2c063dd14b655
--- /dev/null
+++ b/work/datas.py
@@ -0,0 +1,48 @@
+
+datas = [
+    {
+        "city":"吕梁" ,
+        "area":100,
+        "rooms":2,
+        "school":2,
+        "style":2,
+        "price":4300,
+    },
+
+
+    {
+        "city":"吕梁" ,
+        "area":120,
+        "rooms":3,
+        "school":1,
+        "style":1,
+        "price":5000,
+    },
+
+    {
+        "city":"太原",
+        "area":100,
+        "rooms":2,
+        "school":2,
+        "style":2,
+        "price":7000,
+    },
+
+    {
+        "city":"太原" ,
+        "area":100,
+        "rooms":3,
+        "school":1,
+        "style":1,
+        "price":8600,
+    },
+
+    {
+        "city":"太原" ,
+        "area":100,
+        "rooms":2,
+        "school":1,
+        "style":2,
+        "price":8000,
+    },
+]
\ No newline at end of file
diff --git a/work/main.py b/work/main.py
new file mode 100644
index 0000000000000000000000000000000000000000..8b137891791fe96927ad78e64b0aad7bded08bdc
--- /dev/null
+++ b/work/main.py
@@ -0,0 +1 @@
+
diff --git a/work/predict.py b/work/predict.py
new file mode 100644
index 0000000000000000000000000000000000000000..34fb2746031af84c1d3d9a0ccf5cc8236ba752cc
--- /dev/null
+++ b/work/predict.py
@@ -0,0 +1,21 @@
+import numpy as np
+from datas import datas
+X=[]
+Y=[]
+cityMark={"吕梁":1,"太原":2}
+for item in datas:
+    single = []
+    single.append(cityMark[item["city"]])
+    single.append(cityMark[item["area"]])
+    single.append(cityMark[item["rooms"]])
+    single.append(cityMark[item["school"]])
+    single.append(cityMark[item["style"]])
+
+    X.append(single)
+    Y.append(item["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)))
+
+