Age Calculator #11

AgeCalculator.py

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+#  Age Calculator
+# This program calculates how long you've been surviving on Earth…
+# counting all your birthdays, bad decisions, and random midnight thoughts.
+# It basically tells you how many years, months, and days you've existed
+# without getting deleted by life yet 
+
+
+from datetime import date
+
+def calculate_age(birth_date, current_date):
+    years = current_date.year - birth_date.year
+    months = current_date.month - birth_date.month
+    days = current_date.day - birth_date.day
+
+    if days < 0:
+        months -= 1
+        prev_month = current_date.month - 1 if current_date.month > 1 else 12
+        prev_year = current_date.year if current_date.month > 1 else current_date.year - 1
+
+        days_in_prev_month = (date(prev_year, prev_month % 12 + 1, 1) - date(prev_year, prev_month, 1)).days
+        days += days_in_prev_month
+
+    if months < 0:
+        years -= 1
+        months += 12
+
+    return years, months, days
+
+
+# input
+def get_valid_date(label):
+    while True:
+        try:
+            print(f"\nEnter {label} date:")
+            year = int(input("Year: "))
+            month = int(input("Month: "))
+            day = int(input("Day: "))
+
+            return date(year, month, day)  
+
+        except ValueError:
+            print("Invalid input! Please enter a valid date.\n")
+
+
+
+birth_date = get_valid_date("birth")
+current_date = get_valid_date("current")
+
+
+if current_date < birth_date:
+    print("Error: Current date cannot be before birth date!")
+else:
+    years, months, days = calculate_age(birth_date, current_date)
+    print(f"\n Age: {years} years, {months} months, {days} days")