coisas

trabalho1/cesar.py

@@ -39,6 +39,8 @@ special_chars = {
     ")": ")"
 }
 
+caracteres = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'
+
 def cesar(string, key):
     new_string = ""
 
@@ -50,26 +52,28 @@ def cesar(string, key):
         if letter in special_letters:
             letter = special_letters[letter]
 
-        new_letter = ord(letter) + key
+        index = caracteres.index(letter)
+        new_index = (index + key) % len(caracteres)
+        new_letter = caracteres[new_index]
 
-        # [A-Z, a-z, 0-9]
-        if ord('0') <= ord(letter) <= ord('9'):
-            if new_letter > ord('9'):
-                new_letter += 7 # 9 + 1 = A
-            elif new_letter < ord('0'):
-                new_letter += 75 # 0 - 1 = z
-        elif letter.isupper():
-            if new_letter > ord('Z'):
-                new_letter += 6 # Z + 1 = a
-            elif new_letter < ord('A'):
-                new_letter -= 7 # A - 1 = 9
-        else:
-            if new_letter > ord('z'):
-                new_letter -= 75 # z + 1 = 0
-            elif new_letter < ord('a'):
-                new_letter -= 6 # a - 1 = Z
+        # # [A-Z, a-z, 0-9]
+        # if ord('0') <= ord(letter) <= ord('9'):
+        #     if new_letter > ord('9'):
+        #         new_letter += 7 # 9 + 1 = A
+        #     elif new_letter < ord('0'):
+        #         new_letter += 75 # 0 - 1 = z
+        # elif letter.isupper():
+        #     if new_letter > ord('Z'):
+        #         new_letter += 6 # Z + 1 = a
+        #     elif new_letter < ord('A'):
+        #         new_letter -= 7 # A - 1 = 9
+        # else:
+        #     if new_letter > ord('z'):
+        #         new_letter -= 75 # z + 1 = 0
+        #     elif new_letter < ord('a'):
+        #         new_letter -= 6 # a - 1 = Z
 
-        new_string += chr(new_letter)
+        new_string += new_letter
 
     return new_string