Merge pull request #1862 from pavansai5448/master

(GSSoC '23) Improved The code (Error Handling)

Author: Yashbhadiyadra

Age_Calculator/Age_Calculator.py

@@ -1,47 +1,30 @@
-# importing the date module from the datetime package  
-from datetime import date  
-
-# defining a function calculate the age  
-def calculate_age(birthday):  
-
-    # using the today() to retrieve today's date and stored it in a variable  
-    today = date.today()  
-
-    # a bool representing if today's day, or month precedes the birth day, or month  
-    day_check = ((today.month, today.day) < (birthday.month, birthday.day))  
-
-    # calculating the difference between the current year and birth year  
-    year_diff  = today.year - birthday.year  
-
-    # The difference in years is not enough.  
-    # We must subtract 0 or 1 based on if today precedes the   
-    # birthday's month/day from the year difference to get it correct.      
-    # we will subtract the 'day_check' boolean from 'year_diff'.  
-    # The boolean value will be converted from True to 1 and False to 0 under the hood.  
-    age_in_years = year_diff - day_check  
-
-    # calculating the remaining months  
-    remaining_months = abs(today.month - birthday.month)  
-
-    # calculating the remaining days  
-    remaining_days = abs(today.day - birthday.day)  
-
-    # printing the age for the users  
-    print("Age:", age_in_years, "Years", remaining_months, "Months and", remaining_days, "days")  
-
-# main function  
-if __name__ == "__main__":  
-
-    # printing an opening statement  
-    print("Simple Age Calculator")  
-
-    # asking user to enter birth year, birth month, and birth date  
-    birthYear = int(input("Enter the birth year: "))  
-    birthMonth = int(input("Enter the birth month: "))  
-    birthDay = int(input("Enter the birth day: "))  
-
-    # converting integer values to date format using the date() method  
-    dateOfBirth = date(birthYear, birthMonth, birthDay)  
-
-    # calling the function to calculate the age of a person  
-    calculate_age(dateOfBirth) 
+from datetime import date
+
+def calculate_age(birthday):
+    today = date.today()
+
+    # Check if the birthdate is in the future
+    if today < birthday:
+        return "Invalid birthdate. Please enter a valid date."
+
+    day_check = ((today.month, today.day) < (birthday.month, birthday.day))
+    year_diff = today.year - birthday.year - day_check
+    remaining_months = abs(today.month - birthday.month)
+    remaining_days = abs(today.day - birthday.day)
+
+    # Return the age as a formatted string
+    age_string = f"Age: {year_diff} years, {remaining_months} months, and {remaining_days} days"
+    return age_string
+
+if __name__ == "__main__":
+    print("Simple Age Calculator")
+
+    try:
+        birthYear = int(input("Enter the birth year: "))
+        birthMonth = int(input("Enter the birth month: "))
+        birthDay = int(input("Enter the birth day: "))
+        dateOfBirth = date(birthYear, birthMonth, birthDay)
+        age = calculate_age(dateOfBirth)
+        print(age)
+    except ValueError:
+        print("Invalid input. Please enter valid integers for the year, month, and day.")