这里的概念是使用字典数据结构进行编码和解码。谁能帮助我做得更好,更简单?或是否有任何内置功能可以使用字典数据结构执行编码和解码?
qwerty_encrypt={'a':'q','b':'w','c':'e','d':'r','e':'t','f':'y','g':'u','h':'i','i':'o','j':'p','k':'a','l':'s','m':'d','n':'f','o':'g','p':'h','q':'j','r':'k','s':'l','t':'z','u':'x','v':'c','w':'v','x':'b','y':'n','z':'m','1':'9','2':'8','3':'7','4':'6','5':'5','6':'4','7':'3','8':'2','9':'1','0':'0'}
msg=input('enter yuor msg:').lower()
#encrypt_func
def enigma_encrypt(msg):
a=list(msg.split(' '))
li=[]
for i in a:
li.append(list(i))
li2=[]
li4=[]
for i,j in enumerate(li):
li3=[]
for k,l in enumerate(j):
li3.append(qwerty_encrypt[l])
li2.append(li3)
for m in li2:
li4.append(''.join(m))
after_encrypt=(' '.join(li4))
return after_encrypt
def enigma_decrypt(msg):
a=list(msg.split(' '))
li=[]
for i in a:
li.append(list(i))
li2=[]
li4=[]
for i,j in enumerate(li):
li3=[]
for k,l in enumerate(j):
for n in qwerty_encrypt:
if qwerty_encrypt[n]==l:
li3.append(n)
li2.append(li3)
for m in li2:
li4.append(''.join(m))
after_encrypt=(' '.join(li4))
return after_encrypt
print('After encrytion:',enigma_encrypt(msg),'\nAfter decryption:',enigma_decrypt(enigma_encrypt(msg)))
您可以将str.translate与str.maketrans结合使用:
qwerty_encrypt = {'a': 'q', 'b': 'w', 'c': 'e', 'd': 'r', 'e': 't', 'f': 'y',
'g': 'u', 'h': 'i', 'i': 'o', 'j': 'p', 'k': 'a', 'l': 's',
'm': 'd', 'n': 'f', 'o': 'g', 'p': 'h', 'q': 'j', 'r': 'k',
's': 'l', 't': 'z', 'u': 'x', 'v': 'c', 'w': 'v', 'x': 'b',
'y': 'n', 'z': 'm', '1': '9', '2': '8', '3': '7', '4': '6',
'5': '5', '6': '4', '7': '3', '8': '2', '9': '1', '0': '0'}
qwerty_decrypt = {value: key for key, value in qwerty_encrypt.items()}
assert len(qwerty_decrypt) == len(qwerty_encrypt)
table_encrypt = str.maketrans(qwerty_encrypt)
table_decrypt = str.maketrans(qwerty_decrypt)
msg = 'Hello Stack Overflow'.lower()
print('After encryption:', msg.translate(table_encrypt))
print('After decryption:',
msg.translate(table_encrypt).translate(table_decrypt))
尽管@myrmica代码很简单易懂,
但是这是我的尝试,但清单较少。我希望这是您所期望的。
qwerty_encrypt={'a':'q','b':'w','c':'e','d':'r','e':'t','f':'y','g':'u','h':'i','i':'o','j':'p','k':'a','l':'s','m':'d','n':'f','o':'g','p':'h','q':'j','r':'k','s':'l','t':'z','u':'x','v':'c','w':'v','x':'b','y':'n','z':'m','1':'9','2':'8','3':'7','4':'6','5':'5','6':'4','7':'3','8':'2','9':'1','0':'0'}
msg=input('enter yuor msg:').lower()
print (msg)
def enigma_encrypt(msg):
enc=[]
for i in msg:
if i!=' ':
enc.append(qwerty_encrypt[i])
elif i==' ':
enc.append(" ")
return "".join(enc)
def enigma_decrypt(msg):
ms=enigma_encrypt(msg)
dec=[]
for j in ms:
for u,v in qwerty_encrypt.items():
if j!=' ' and v==j:
dec.append(u)
elif j==' ':
dec.append(" ")
break
return "".join(dec)
print('After encrytion:',enigma_encrypt(msg)+"\n"+'After decrytion:',enigma_decrypt(msg))
Output:
After encryption: itssg lzqea gctkysgv
After decryption: hello stack overflow