updated

Author: PavanMudigonda

43-slot-machine/main.py

@@ -1,6 +1,10 @@
 # Python Slot Machine
-# user has balance
-# user can bet amount
+# As a user, I want to play a slot machine game where I can bet an amount from my balance
+# I want to be able to spin the machine, and either win or lose money based on the outcome.
+# The slot machine will have three symbols, and if all three match, I win a jackpot. 
+# If two match, I win a smaller amount. If none match, I lose my bet.
+# The game continues until I choose to quit or run out of money.
+# Implement the slot machine game in Python.
 
 import random
 

44-encryption-program/main.py

@@ -1 +1,28 @@
-# Encryption Program
+# substitution cipher encryption and decryption program
+# write the entire user story for this program
+# As a user, I want to be able to encrypt and decrypt messages using a substitution cipher
+# So that I can securely communicate with others without my messages being easily read by unintended recipients
+
+import random, string
+
+chars = "" + " " + string.punctuation + string.digits + string.ascii_letters
+
+chars = list(chars)
+
+key = chars.copy()
+
+random.shuffle(key)
+
+print(f"chars: {chars}")
+print(f"key:   {key}")
+
+# ENCRYPTION
+plain_text = input("Enter a message to encrypt")
+cipher_text = ""
+
+for letter in plain_text:
+    index = chars.index(letter)
+    cipher_text += key[index]
+
+print(f'original message: {plain_text}')
+print(f'encryption message: {cipher_text}')