diff --git a/hashcode2022_V_group.py b/hashcode2022_V_group.py
new file mode 100644
index 0000000..a603612
--- /dev/null
+++ b/hashcode2022_V_group.py
@@ -0,0 +1,183 @@
+
+from google.colab import drive
+drive.mount('/content/drive')
+
+from math import sqrt
+import matplotlib.pyplot as plt
+import numpy as np
+import os
+
+File_Directory = 'drive/MyDrive/Ecole/PolyHash2022/DataSet/'
+File_Name = 'a_an_example.in.txt'
+File_Path = File_Directory+File_Name
+
+DataSet = [line.strip().split() for line in open(File_Path, "r")]
+
+Score:int = 0
+
+def is_number(s):
+    try:
+        float(s)
+        return True
+    except ValueError:
+        pass
+    try:
+        import unicodedata
+        unicodedata.numeric(s)
+        return True
+    except (TypeError,ValueError):
+        pass
+    return False
+
+def convertToFloat(DataSet):
+    for i in range(len(DataSet)):
+        for j in range(len(DataSet[i])):
+            if is_number(DataSet[i][j]):
+                DataSet[i][j] = float(DataSet[i][j])
+    return DataSet
+
+
+
+# convert data-set to float 
+DataSet = convertToFloat(DataSet)
+
+
+def caculateDistance(a: tuple, b: tuple):
+    d = sqrt((a[0] - b[0])**2 + (a[1] - b[1])**2)
+    return d
+
+def readLine(m = 0, n = 2, offset = 1):
+    global DataSet
+    lenth = int(DataSet[m][n])
+    line = []
+    for i in range(lenth):
+        line.append(DataSet[i + offset])
+    return line
+
+class Person:
+    def __init__(self, infomationLine):
+        self.name, self.score, self.weightOfGift, self.x_position, self.y_position = infomationLine
+    
+    def getPosition(self):
+        return (self.x_position, self.y_position)
+
+    def getScore(self):
+        global Score
+        Score += self.score
+
+
+class People:
+    info = []
+    def __init__(self):
+        global DataSet
+        line = readLine(m = 0, n = 3, offset = 1 + int(DataSet[0][2]))
+        for i in line:
+            self.info.append(Person(i))
+
+    def visualization(self):
+        x = []
+        y = []
+        for i in self.info:
+            x.append(i.x_position)
+            y.append(i.y_position)
+        plt.plot(x, y, 'o')
+        plt.show()
+
+class Santa:
+    # (x, y)
+    # TODO because tuple is unchangeable so we can not use it.Maybe we can use a sub-class Dimensionality(2D) to describe 'position' and 'speed'.Just like
+    """     class 2D:
+                x
+                y
+
+
+
+
+
+            position:2D
+            position.x += speed*t
+    """
+    position = (0.0,0.0)
+    speed = (0.0,0.0)
+    weightOfCarrots:int = 0
+    weightOfGift:int = 0
+    def __init__(self):
+        global DataSet
+        self.timeLimit = int(DataSet[0][0])
+        self.deliveryDistanceLimit = int(DataSet[0][1])
+        self.speedLimitTable = readLine()
+
+    def getPosition(self):
+        return self.position
+
+    def getWeight(self):
+        return self.weightOfCarrots + self.weightOfGift
+
+    def nowSpeedLimit(self):
+        w = self.getWeight()
+        assert w >= 0
+        if w <= self.speedLimitTable[0][0]:
+            return self.speedLimitTable[0][1]
+        elif w > self.speedLimitTable[0][0] and w <= self.speedLimitTable[1][0]:
+            return self.speedLimitTable[1][1]
+        elif w > self.speedLimitTable[1][0] and w <= self.speedLimitTable[2][0]:
+            return self.speedLimitTable[2][1]
+        elif w > self.speedLimitTable[2][0] and w <= self.speedLimitTable[3][0]:
+            return self.speedLimitTable[3][1]
+        else:
+            return 0
+      
+
+    def isAllowedBySpeedLimit(self, s):
+        return s <= self.nowSpeedLimit()
+
+    def consumeCarrot(self):
+        assert self.weightOfCarrots >= 1
+        self.weightOfCarrots -= 1
+
+    def AccUp(self, s):
+        assert self.isAllowedBySpeedLimit(s)
+        self.speed[1] += s
+        self.consumeCarrot()
+    def AccDown(self, s):
+        assert self.isAllowedBySpeedLimit(s)
+        self.speed[1] -= s
+        self.consumeCarrot()
+    def AccRight(self, s):
+        assert self.isAllowedBySpeedLimit(s)
+        self.speed[0] += s
+        self.consumeCarrot()
+    def AccLeft(self, s):
+        assert self.isAllowedBySpeedLimit(s)
+        self.speed[0] -= s
+        self.consumeCarrot()
+
+    def LoadCarrots(self, w):
+        self.weightOfCarrots += w
+    def LoadGift(self, w):
+        self.weightOfGift += w
+
+    def DiliveryGift(self,p: Person):
+        assert caculateDistance(self.getPosition(), p.getPosition()) <= self.deliveryDistanceLimit
+        self.weightOfGift -= p.weightOfGift
+        assert self.weightOfGift >= 0
+        p.getScore()
+
+s = Santa()
+
+s.LoadGift(45)
+
+pp = People()
+
+pp.visualization()
+
+s.LoadCarrots(15)
+
+s.getWeight()
+
+s.isAllowedBySpeedLimit(2)
+
+s.deliveryDistanceLimit
+
+s.AccDown(2)
+