diff --git a/projects/012-days-in-a-month/python/main.py b/projects/012-days-in-a-month/python/main.py
index e69de29..dffc28f 100644
--- a/projects/012-days-in-a-month/python/main.py
+++ b/projects/012-days-in-a-month/python/main.py
@@ -0,0 +1,40 @@
+def is_leap_year(year: int) -> bool:
+    if year%400==0 or (year%4==0 and year%100!=0):
+        return True
+    else:
+        return False
+  
+def days_in_a_month(month: int, year: int) -> int:
+    if month==4 or month==6 or month==9 or month==11:
+        days=30
+    elif month==2:
+        if is_leap_year(year):
+            days=29
+        else:
+            days=28
+    else:
+        days=31
+    return days
+
+
+is_valid_input=False
+while not(is_valid_input):
+    try: 
+        input_month=int(input("Enter a month (integer between 1 and 12): "))
+        if input_month>=1 and input_month<=12:
+            is_valid_input=True
+    except ValueError:
+        print("The integer you entered is not valid!")
+
+is_valid_input=False
+while not(is_valid_input):
+    try: 
+        input_year=int(input("Enter a year (four digit integer): "))
+        if input_year>=1000 and input_year<=9999:
+            is_valid_input=True
+    except ValueError:
+        print("The integer you entered is not valid!")
+
+days=days_in_a_month(input_month, input_year)
+
+print(f"{input_year}-{input_month:02} -> {days} days")
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