diff --git a/morse.py b/morse.py
new file mode 100644
index 0000000000000000000000000000000000000000..dec77612869fb62076e049a4e3089ee03a702d4a
--- /dev/null
+++ b/morse.py
@@ -0,0 +1,194 @@
+import numpy as np
+
+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 encode(message):
+ message=message.upper()
+ 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.strip()
+
+# 将字符串从摩斯解密为英文的函数
+def decode(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
+
+
+def testMorse():
+ result=encode("HELLO")
+ print(result)
+ result=decode(result)
+ print(result)
+
+#testMorse()