Update calculateCompoundInterest.py

Calculate Compound Interest/calculateCompoundInterest.py

@@ -1,23 +1,36 @@
-print('How many years will you be saving?')
-years = int(input('Enter years: '))
+def get_user_input():
+    try:
+        years = int(input("🔢 How many years will you be saving? "))
+        principal = float(input("💰 Enter current amount in your account: ₹"))
+        monthly_invest = float(input("📥 Enter your monthly investment amount: ₹"))
+        interest = float(input("📈 Enter the expected yearly interest rate (e.g., 10% as 0.1): "))
+        return years, principal, monthly_invest, interest
+    except ValueError:
+        print("⚠️ Please enter valid numeric values.")
+        return get_user_input()
 
-print('How much money is currently in your account?')
-principal = float(input('Enter current amount in account: '))
 
-print ('How much money do you plan on investin monthly?')
-monthly_invest = float(input('Enter amount: '))
+def calculate_future_value(years, principal, monthly_invest, annual_interest):
+    yearly_contribution = monthly_invest * 12
+    amount = principal
 
-print ('What do you estimate will be the yearly interest of this investment?') 
-interest = float(input ('Enter interest in decimal numbers (10% = 0.1): '))
-print(' ' )
+    for _ in range(years):
+        amount = (amount + yearly_contribution) * (1 + annual_interest)
 
-monthly_invest = monthly_invest * 12
-final_amount = 0
+    return amount
 
-for i in range(0, years):
-    if final_amount == 0:
-        final_amount = principal
 
-final_amount = (final_amount + monthly_invest) * (1 + interest)
+def main():
+    print("💼 Welcome to the Investment Growth Calculator 💼\n")
 
-print("This is how much money you would have in your account after {} years: ".format (years) + str(final_amount))
+    years, principal, monthly_invest, interest = get_user_input()
+    print("\n⏳ Calculating investment growth...\n")
+
+    future_value = calculate_future_value(years, principal, monthly_invest, interest)
+
+    print("📊 After {} years, your total account balance will be: ₹{:.2f}".format(years, future_value))
+    print("\n✅ Thank you for using the Investment Calculator!")
+
+
+if __name__ == "__main__":
+    main()