diff --git a/Day 13/main.py b/Day 13/main.py
new file mode 100644
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+++ b/Day 13/main.py	
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+############DEBUGGING#####################
+
+# Describe Problem
+def my_function():
+  for i in range(1, 21): # cannot be 20, as that would be out of bounds
+    if i == 20:
+      print("You got it")
+my_function()
+
+# # Reproduce the Bug
+from random import randint
+dice_imgs = ["❶", "❷", "❸", "❹", "❺", "❻"]
+dice_num = randint(0, 5) # range includes both endpoints
+print(dice_imgs[dice_num])
+
+# # Play Computer
+year = int(input("What's your year of birth?"))
+if year > 1980 and year < 1994:
+  print("You are a millenial.")
+elif year >= 1994: # make sure 1994 itself is accounted for
+  print("You are a Gen Z.")
+
+# # Fix the Errors
+age = input("How old are you?")
+if int(age) > 18: # cast age
+    print(f"You can drive at age {age}.") # indent within if statement, and make sure to put f for f string
+
+# #Print is Your Friend
+pages = 0
+word_per_page = 0
+pages = int(input("Number of pages: "))
+word_per_page = int(input("Number of words per page: ")) # remember = (declaration) is different from == (conditional)
+total_words = pages * word_per_page
+print(total_words)
+
+# #Use a Debugger
+def mutate(a_list):
+  b_list = []
+  for item in a_list:
+    new_item = item * 2
+    b_list.append(new_item) # watch your indent!
+  print(b_list)
+
+mutate([1,2,3,5,8,13])
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