Updated age.py to improve age calculation logic

It is a complete different code than age.py

Desktop Application/Basic/Python/Age calculator/Updated age.py

@@ -0,0 +1,40 @@
+import datetime
+
+# Get the current system date and time
+now = datetime.datetime.now()
+
+try:
+    # Take user input of their birth date
+    birthday = input("When is your birthday? (dd/mm/yyyy): ")
+    birthday = datetime.datetime.strptime(
+        birthday,
+        "%d/%m/%Y",
+    ).date()
+
+    # Calculate age
+    age_years = now.year - birthday.year
+    age_months = now.month - birthday.month
+    age_days = now.day - birthday.day
+
+    if(age_days < 0):
+        age_months -= 1
+
+        '''1. If the age_days is negative, it implies the month must be one less than the month number that is calculated and stored in age_months
+        2. "(now.month-1)%12 or 12" ensures that when the previous month is calculated, its value lie in the range [1, 12]
+        ''' 
+        previous_month = (now.month - 1) % 12 or 12
+
+        days_in_prev_month = (datetime.date(now.year, previous_month + 1, 1) - datetime.date(now.year, previous_month, 1)).days
+
+        age_days += days_in_prev_month
+
+    if (age_months < 0):
+        '''If age_months is negative, it implies the year must be one less than the year number that is calculated and store in age_years'''
+        age_years -= 1
+        age_months += 12
+
+    # Printing the current age of the user
+    print(f"Your birthday is {birthday.strftime('%d %B %Y')}\nYour current age is {age_years} years, {age_months} months and {age_days} days.")
+
+except ValueError:
+    print("Either the date or the format is invalid.")