diff --git a/binarytree2.py b/binarytree2.py
deleted file mode 100644
index 34536971664eff8a563ad226788efd7764386bc5..0000000000000000000000000000000000000000
--- a/binarytree2.py
+++ /dev/null
@@ -1,195 +0,0 @@
-import numpy as np
-import sys
-class MorseNode:
-    def __init__(self, c,morseCode=''):
-
-        self.char = c
-        self.morseCode=morseCode
-        self.dot = None
-        self.dash = None
-    #←
-    def insertLeft(self,c):
-
-        self.dot = MorseNode(c)
-        return self.dot
-    #→
-    def insertRight(self,c):
-
-        self.dash = MorseNode(c)
-        return self.dash
-
-root = MorseNode('*')
-#1st
-root.dash = MorseNode('T')
-root.dot = MorseNode('E')
-#2nd
-root.dot.dot = MorseNode('I')
-root.dot.dash = MorseNode('A')
-
-root.dash.dot = MorseNode('N')
-root.dash.dash = MorseNode('M')
-#3rd
-root.dot.dot.dot = MorseNode('S')
-root.dot.dot.dash = MorseNode('U')
-root.dot.dash.dot = MorseNode('R')
-root.dot.dash.dash = MorseNode('W')
-
-root.dash.dot.dot = MorseNode('D')
-root.dash.dot.dash = MorseNode('K')
-root.dash.dash.dot = MorseNode('G')
-root.dash.dash.dash = MorseNode('O')
-#4th
-root.dot.dot.dot.dot = MorseNode('H')
-root.dot.dot.dot.dash = MorseNode('V')
-root.dot.dot.dash.dot = MorseNode('F')
-root.dot.dot.dash.dash = MorseNode('')
-root.dot.dash.dot.dot = MorseNode('L')
-root.dot.dash.dot.dash = MorseNode('')
-root.dot.dash.dash.dot = MorseNode('P')
-root.dot.dash.dash.dash = MorseNode('J')
-
-root.dash.dot.dot.dot = MorseNode("B")
-root.dash.dot.dot.dash = MorseNode("X")
-root.dash.dot.dash.dot = MorseNode("C")
-root.dash.dot.dash.dash = MorseNode("Y")
-root.dash.dash.dot.dot = MorseNode("Z")
-root.dash.dash.dot.dash = MorseNode("Q")
-root.dash.dash.dash.dot = MorseNode("")
-root.dash.dash.dash.dash = MorseNode("")
-
-#5
-root.dot.dot.dot.dot.dot = MorseNode("5")
-root.dot.dot.dot.dot.dash = MorseNode("4")
-root.dot.dot.dot.dash.dot = MorseNode("")
-root.dot.dot.dot.dash.dash = MorseNode("3")
-root.dot.dot.dash.dot.dot = MorseNode("")
-root.dot.dot.dash.dot.dash = MorseNode("¿")
-root.dot.dot.dash.dash.dot = MorseNode("?")
-root.dot.dot.dash.dash.dash = MorseNode("2")
-
-root.dot.dash.dot.dot.dot = MorseNode("&")
-root.dot.dash.dot.dot.dash = MorseNode("")
-root.dot.dash.dot.dash.dot = MorseNode("+")
-root.dot.dash.dot.dash.dash = MorseNode("")
-root.dot.dash.dash.dot.dot = MorseNode("+")
-root.dot.dash.dash.dot.dash = MorseNode("")
-root.dot.dash.dash.dash.dot = MorseNode("")
-root.dot.dash.dash.dash.dash = MorseNode("1")
-
-root.dash.dot.dot.dot.dot = MorseNode("6")
-root.dash.dot.dot.dot.dash = MorseNode("=")
-root.dash.dot.dot.dash.dot = MorseNode("/")
-root.dash.dot.dot.dash.dash = MorseNode("")
-root.dash.dot.dash.dot.dot = MorseNode("")
-root.dash.dot.dash.dot.dash = MorseNode("")
-root.dash.dot.dash.dash.dot = MorseNode("(")
-root.dash.dot.dash.dash.dash= MorseNode("")
-
-root.dash.dash.dot.dot.dot = MorseNode("7")
-root.dash.dash.dot.dot.dash = MorseNode("")
-root.dash.dash.dot.dash.dot = MorseNode("")
-root.dash.dash.dot.dash.dash = MorseNode("")
-root.dash.dash.dash.dot.dot = MorseNode("8")
-root.dash.dash.dash.dot.dash = MorseNode("")
-root.dash.dash.dash.dash.dot = MorseNode("9")
-root.dash.dash.dash.dash.dash = MorseNode("0")
-#6
-root.dot.dash.dot.dash.dot.dash = MorseNode(".")
-root.dash.dash.dot.dot.dash.dash = MorseNode(",")
-root.dash.dot.dash.dash.dot.dash = MorseNode(")")
-root.dash.dot.dot.dot.dot.dash = MorseNode("-")
-root.dash.dash.dot.dot.dot.dash = MorseNode("i")
-root.dot.dot.dash.dash.dot.dash = MorseNode("_")
-root.dot.dash.dash.dash.dash.dot = MorseNode("'")
-root.dash.dash.dash.dot.dot.dot = MorseNode(":")
-root.dot.dash.dot.dot.dash.dot = MorseNode("”")
-root.dash.dot.dash.dot.dash.dash = MorseNode("!")
-root.dash.dot.dash.dot.dash.dot = MorseNode(";")
-root.dot.dot.dot.dash.dot.dot = MorseNode("\n")
-#7
-root.dot.dot.dot.dash.dot.dot.dash = MorseNode("$")
-
-class BinaryTree:
-    def __init__(self):
-        # 初始化结点,因为左右结点都可能为空,所以默认设置左右结点的值为空,如果没有传入左右结点就是空,有的话则是传入的结点
-        self.root = root
-
-    def encode(self,letter):
-        node= self.findMorseCode(self.root,'',letter)
-        return node.morseCode
-
-    def findMorseCode(self,node,morsecode,letter):
-        if node==None:
-            return None
-        node.morseCode=morsecode
-        if node.char==letter:
-            return node
-        next=self.findMorseCode(node.dot,morsecode+'.',letter)
-        if next!=None:
-            return next
-        else:
-            return self.findMorseCode(node.dash,morsecode+'-',letter)
-
-    def decode(self,morseCode):
-        letter = self.root
-        for c in morseCode:
-            if c == ' ':
-                return letter.char
-            if c == '.':
-                letter = letter.dot
-            elif c == '-':
-                letter = letter.dash
-        return letter.char
-
-Tree=BinaryTree()
-
-
-def encrypt(message):
-    cipher = ''
-    for letter in message:
-        if letter != ' ':
-            # 查字典并添加对应的摩斯密码 # 用空格分隔不同字符的摩斯密码
-            cipher += Tree.encode(letter) + ' '
-        else:
-            # 1个空格表示不同的字符 # 2表示不同的词
-            cipher += ' '
-    return cipher
-
-# 将字符串从摩斯解密为英文的函数
-def decrypt(message):
-    # 在末尾添加额外空间以访问最后一个摩斯密码
-    message += ' '
-    decipher = ''
-    citext = ''
-    i = 0
-    for letter in message:
-        # 检查空间
-        if letter != ' ':
-            # 计数器来跟踪空间
-            i = 0
-            # 在空格的情况下
-            citext += letter
-            # 在空间的情况下
-        else:
-            # 如果 i = 1 表示一个新字符
-            i += 1
-            # 如果 i = 2 表示一个新词
-            if i == 2:
-                # 添加空格来分隔单词
-                decipher += ' '
-            else:
-                # 使用它们的值访问密钥(加密的反向)
-                decipher += Tree.decode(citext)
-                citext = ''
-    return decipher
-
-result=encrypt('US')
-print(result)
-result=decrypt(result)
-print(result)
-x=sys.stdin.readline(100)
-print(x)
-result=encrypt(x)
-print(result)
-result=decrypt(result)
-print(result)