#315 Renamed all files to snake_case (#993)

ciphers/atbash.py

@@ -0,0 +1,23 @@
+try:               # Python 2
+    raw_input
+    unichr
+except NameError:  # Python 3
+    raw_input = input
+    unichr = chr
+
+
+def Atbash():
+    output=""
+    for i in raw_input("Enter the sentence to be encrypted ").strip():
+        extract = ord(i)
+        if 65 <= extract <= 90:
+            output += unichr(155-extract)
+        elif 97 <= extract <= 122:
+            output += unichr(219-extract)
+        else:
+            output+=i
+    print(output)
+
+
+if __name__ == '__main__':
+    Atbash()