def encry(txt,shift):
result=""
txt=txt.upper()
for i in range(len(txt)):
char=txt[i]
result+=chr((ord(char)+shift-65)%26+65)
return result
def decry(txt,shift):
result=""
txt=txt.upper()
for i in range(len(txt)):
char=txt[i]
result+=chr((ord(char)-shift+65)%26+65)
return result
txt="WelcometoEthicalHacking"
shift=4
print("Text: "+txt)
print("Key Shift: "+str(shift))
result=encry(txt,shift)
print("Cipher text "+ result )
print("Plain txt "+ decry(result,shift))
def encry(txt,shift):
result=""
txt=txt.upper()
for i in range(len(txt)):
char=txt[i]
result+=chr((ord(char)+shift-65)%26+65)
return result
def decry(txt,shift):
result=""
txt=txt.upper()
for i in range(len(txt)):
char=txt[i]
result+=chr((ord(char)-shift+65)%26+65)
return result
txt="WelcometoEthicalHacking"
shift=4
print("Text: "+txt)
print("Key Shift: "+str(shift))
result=encry(txt,shift)
print("Cipher text "+ result )
print("Plain txt "+ decry(result,shift))