Merge pull request #3 from ashwani010/master

implemented the_vital_message

docs/books/computer-games/computer-battle-games/the_vital_message/the_vital_message.py

@@ -0,0 +1,50 @@
+# Import 'random' so we can generate random numbers.
+# The 'string' module gives us access to string-related utilities
+# The 'time' module helps us to wait for some time
+
+
+import random
+import string
+import time
+print("VITAL MESSAGE")
+
+# Variable to store the difficulty i.e length of string
+level_difficulty = 0
+
+# Loop until the right difficulty level is enterred
+while level_difficulty < 4 or level_difficulty > 10:
+    print("HOW DIFFICULT? (4-10)")
+    x = int(input())
+    level_difficulty = x
+
+# Function to clear the screen
+# This simply clears the screen by printing 64 blank lines
+
+
+def clrsc():
+    print('\n' * 64)
+
+
+# Variable to store the secret message
+message = ""
+
+for i in range(0, level_difficulty):
+    message += (random.choice(string.ascii_letters))
+
+print("SEND THIS MESSAGE:")
+print(message)
+
+# Displaying the secret message in accordance of the difficulty level
+time.sleep(0.5 * level_difficulty)
+clrsc()
+
+print("Enter the secret code that need to be transferred")
+code = input()
+
+if(code == message):
+    print("MESSAGE CORRECT")
+    print("THE WAR IS OVER")
+else:
+    print("YOU GOT IT WRONG")
+    print("YOU SHOULD HAVE SENT:")
+    print(message)