diff --git a/cryptography/python/columnar.py b/cryptography/python/columnar.py
new file mode 100644
index 0000000..de13cd2
--- /dev/null
+++ b/cryptography/python/columnar.py
@@ -0,0 +1,48 @@
+def sort_list(list1, list2):
+ pairs = zip(list2, list1)
+ z = [x for _, x in sorted(pairs)]
+ return z
+
+
+def encrpyt(key, msg):
+ key_arr = []
+ for i in key:
+ key_arr.append(i)
+ msg_arr = []
+ temp = []
+ for i in msg:
+ if(len(temp) == len(key_arr)):
+ msg_arr.append(sort_list(temp, key_arr))
+ temp = []
+ temp.append(i)
+ cipher = ''
+ for i in range(len(msg_arr[0])):
+ for j in range(len(msg_arr)):
+ cipher = cipher + msg_arr[j][i]
+ return cipher
+
+
+def decrpyt(key, cipher):
+ key_arr = []
+ for i in key:
+ key_arr.append(i)
+ n = int(len(cipher)/len(key))
+ msg_arr = []
+ for i in range(n):
+ msg_arr.append([])
+ for i in range(len(cipher)):
+ msg_arr[i % (len(key)-1)].append(cipher[i])
+ final = []
+ for i in msg_arr:
+ final.append(sort_list(i, key_arr))
+ msg = ''
+ for i in final:
+ for j in i:
+ msg = msg + j
+ return msg
+
+
+cipher = encrpyt("dcba", "hello world ")
+print(cipher)
+message = decrpyt("dcba", cipher)
+print(message)
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