build list

Lists.py

@@ -0,0 +1,79 @@
+class Node:
+    def __init__(self, initdata):
+        self.data = initdata
+        self.next = None
+
+    def getData(self):
+        return self.data
+
+    def getNext(self):
+        return self.next
+
+    def setData(self, newdata):
+        self.next = newdata
+
+    def setNext(self, nextNode):
+        self.next = nextNode
+
+
+temp = Node(93)
+temp.setData(10)
+print(temp.getNext())
+
+# 定义一个无序链表
+class UnorderedList:
+    def __init__(self):
+        self.head = None
+
+    def isEmpty(self):
+        return self.head == None
+
+    def add(self, item):
+        temp = Node(item)
+        temp.setNext(self.head)
+        self.head = temp
+
+    def size(self):
+        current = self.head
+        count = 0
+        while current != None:
+            count += 1
+            current = current.getNext()
+        return count
+
+    def search(self, item):
+        current = self.head
+        found = False
+        while current != None and not found:
+            if current.getData() == item:
+                found = True
+            else:
+                current = current.getNext()
+        return found
+
+    def remove(self, item):
+        current = self.head
+        previous = None
+        found = False
+        while not found:
+            if current.getData() == item:
+                found = True
+            else:
+                previous = current
+                current = current.getNext()
+
+        if previous == None:
+            self.head = current.getNext()
+        else:
+            previous.setNext(current.getNext())
+
+myList = UnorderedList()
+myList.add(31)
+myList.add(77)
+myList.add(17)
+myList.add(93)
+myList.add(26)
+myList.add(54)
+print(myList.search(17))
+myList.remove(54)
+print(myList.search(54))

SVM/SVM.py

@@ -1,5 +1,5 @@
 from numpy import *
-
+# 代码来自机器实战
 def loadDataSet(fileName):
     dataMat = []; labelMat = []
     fr = open(fileName)