Create dice_roller.md

contrib/mini-projects/dice_roller.md

@@ -0,0 +1,19 @@
+```
+import random
+def dice():
+  dice_no = random.choice([1,2,3,4,5,6])
+  return "You got " + str(dice_no)
+def roll_dice():
+  print("Hey Guys, you will now roll a single dice using Python!")
+  while True:
+    start=input("Type \'k\' to roll the dice: ").lower()
+    if start != 'k':
+      print("Invalid input. Please try again.")
+      continue
+    print(dice())
+    roll_again = input("Do you want to reroll? (Yes/No): ").lower()
+    if roll_again != 'yes':
+      break
+  print("Thanks for rolling the dice.")
+roll_dice()
+```