diff --git a/homework/.idea/.gitignore b/homework/.idea/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..13566b81b018ad684f3a35fee301741b2734c8f4
--- /dev/null
+++ b/homework/.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/homework/.idea/7.5.iml b/homework/.idea/7.5.iml
new file mode 100644
index 0000000000000000000000000000000000000000..d0876a78d06ac03b5d78c8dcdb95570281c6f1d6
--- /dev/null
+++ b/homework/.idea/7.5.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="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/homework/.idea/inspectionProfiles/profiles_settings.xml b/homework/.idea/inspectionProfiles/profiles_settings.xml
new file mode 100644
index 0000000000000000000000000000000000000000..105ce2da2d6447d11dfe32bfb846c3d5b199fc99
--- /dev/null
+++ b/homework/.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/homework/.idea/misc.xml b/homework/.idea/misc.xml
new file mode 100644
index 0000000000000000000000000000000000000000..060d2c5e8c365bdf4dafbb4e5ef23b4ac65aafd6
--- /dev/null
+++ b/homework/.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 3.12" project-jdk-type="Python SDK" />
+</project>
\ No newline at end of file
diff --git a/homework/.idea/modules.xml b/homework/.idea/modules.xml
new file mode 100644
index 0000000000000000000000000000000000000000..6b331e2a1a59345e7f6d7b125256d45cb20c2af1
--- /dev/null
+++ b/homework/.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/7.5.iml" filepath="$PROJECT_DIR$/.idea/7.5.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/homework/.keep b/homework/.keep
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/homework/__pycache__/datas.cpython-312.pyc b/homework/__pycache__/datas.cpython-312.pyc
new file mode 100644
index 0000000000000000000000000000000000000000..779d9e27d345705c5486bbec18da4744f6858016
Binary files /dev/null and b/homework/__pycache__/datas.cpython-312.pyc differ
diff --git a/homework/datas.py b/homework/datas.py
new file mode 100644
index 0000000000000000000000000000000000000000..5a56bcf2b8b74999a58ffb7d01b881d1038bda90
--- /dev/null
+++ b/homework/datas.py
@@ -0,0 +1,76 @@
+datas=[
+    {
+        "city":"吕梁",
+        "area":100,
+        "rooms":2,
+        "school":1,
+        "style":1,
+        "price":8000
+    },
+    {
+        "city": "吕梁",
+        "area": 100,
+        "rooms": 2,
+        "school": 1,
+        "style": 1,
+        "price": 7800
+    },
+    {
+        "city": "吕梁",
+        "area": 135,
+        "rooms": 3,
+        "school": 1,
+        "style": 1,
+        "price": 8300
+    },
+    {
+        "city":"吕梁",
+        "area":110,
+        "rooms":2,
+        "school":1,
+        "style":1,
+        "price":8200
+    },
+    {
+        "city": "吕梁",
+        "area": 130,
+        "rooms": 3,
+        "school": 2,
+        "style": 2,
+        "price": 6500
+    },
+    {
+        "city": "吕梁",
+        "area": 140,
+        "rooms": 3,
+        "school": 1,
+        "style": 1,
+        "price": 8600
+    },
+    {
+        "city": "太原",
+        "area": 110,
+        "rooms": 2,
+        "school": 1,
+        "style": 1,
+        "price": 8200
+    },
+    {
+        "city": "太原",
+        "area": 130,
+        "rooms": 3,
+        "school": 2,
+        "style": 2,
+        "price": 6500
+    },
+    {
+        "city": "太原",
+        "area": 140,
+        "rooms": 3,
+        "school": 1,
+        "style": 1,
+        "price": 8600
+    },
+]
+#a1*1+a2*2+a3*3+a4*4+a5*5
+#[a1,a2,.....]
\ No newline at end of file
diff --git a/homework/predict.py b/homework/predict.py
new file mode 100644
index 0000000000000000000000000000000000000000..f0e9faa49b1cc12c14f18900522a3a5281c41f39
--- /dev/null
+++ b/homework/predict.py
@@ -0,0 +1,18 @@
+import numpy as np
+from datas import datas
+X=[]
+Y=[]
+cityMark={"吕梁":1,"太原":2}
+for item in datas:
+    signal=[]
+    signal.append(cityMark[item["city"]])
+    signal.append(item["area"])
+    signal.append(item["rooms"])
+    signal.append(item["school"])
+    signal.append(item["style"])
+    X.append(signal)
+    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])))