PJs_caesar_cipher #2

README.md

@@ -1,3 +1,14 @@
+#Here is where my readme starts
+## 
+
+> My method of doing this was with slicing
+i took one slice and added to the back of the second slice.
+this created the shift needed for the encrytion.
+
+>to decrypt i uses the key given and subtracted 60 to get back to the coorrect order.
+> I created to modules for fun one to encrypt and one tp decrypt.
+>ii found this lesseon very informativer and helpfuil
+
 # Caesar Cipher Exercise
 Code Louisville Python programming exercise.
 
@@ -33,9 +44,7 @@ Note that the program should not replace special characters like spaces or excla
 
 ## Instructions
 
-1. GitHub Classroom will send you an email asking you to accept the assignment.
-1. Once you've accepted, it will create a repo for you to add your code.
-1. Clone your repo, add your code, and Commit/Push your changes to Github.
+1. Fork and clone the repo, add your code, and Commit/Push your changes to Github.
 1. Mentors will review your submissions and provide feedback.
 
 ### Optional: Automated Code Testing

cipher.py

@@ -1 +1,16 @@
 # add your code here
+# my attempt at a caesare cipher:
+###
+# shift  = 15
+choice =input("Type e to encrypt or d to decrypt: ")
+if choice == 'e':
+    import pjs_encryption
+    pjs_encryption.encryption
+elif choice == 'd':
+    import pjs_decryption
+    pjs_decryption.decryption
+else:
+    print ("wrong choice")
+
+
+

pjs_decryption.py

@@ -0,0 +1,16 @@
+#decypt
+
+import string
+
+def decryption():
+
+    import string 
+plain_text = input("what do you want to decrypt? ")
+shift1  = int(input("Please enter decrytion key. ")) 
+shift = 26-shift1
+shift %= 26
+alphabet = string.ascii_lowercase
+shifted = alphabet[shift:] + alphabet[:shift]
+table = str.maketrans(alphabet, shifted)
+decrypted = plain_text.translate(table)
+print(decrypted)

pjs_encryption.py

@@ -0,0 +1,16 @@
+#my module for encryption
+
+import string
+
+def encryption():
+
+    import string 
+plain_text = input("what do you want to encrypt? ")
+shift  = int(input("Please enter encrytion key. "))
+alphabet = string.ascii_lowercase
+shifted = alphabet[shift:] + alphabet[:shift]
+table = str.maketrans(alphabet, shifted)
+
+encrypted = plain_text.translate(table)
+
+print(encrypted)