diff --git a/datas.py b/datas.py
new file mode 100644
index 0000000000000000000000000000000000000000..68e0f43cc8077e2b71e73a3066b8e32863ef9bc4
--- /dev/null
+++ b/datas.py
@@ -0,0 +1,140 @@
+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
+    },
+]
+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": 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
+    },
+]
\ No newline at end of file
diff --git a/predict.py b/predict.py
new file mode 100644
index 0000000000000000000000000000000000000000..ce310a10f80e27460054df6f624f99dc7b77bfae
--- /dev/null
+++ b/predict.py
@@ -0,0 +1,17 @@
+import  signal
+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"])
+theta=np.linalg.pinv(X.T.dot(X)).dot(X.T).dot(Y)
+    print(theta.dot(np.array([2,100,2,1,1])))
\ No newline at end of file