Fix budget input validation

Author: Prince-PD

financalc.py

@@ -0,0 +1,28 @@
+
+# Simple Financial Calculation
+
+budget = input("Enter your budget: ")
+
+try:
+    budget_value = float(budget.replace(",", "").replace("₹", "").strip())
+
+    if budget_value <= 0:
+        print("\nBudget must be greater than zero.")
+
+    else:
+        inventory = budget_value * 0.40
+        operations = budget_value * 0.30
+        marketing = budget_value * 0.10
+        emergency = budget_value * 0.20
+
+        print("\nSUGGESTED BUDGET ALLOCATION")
+        print("-" * 40)
+        print(f"Inventory / Product: ₹{inventory:,.2f}")
+        print(f"Operations: ₹{operations:,.2f}")
+        print(f"Marketing: ₹{marketing:,.2f}")
+        print(f"Emergency Reserve: ₹{emergency:,.2f}")
+        print("-" * 40)
+        print(f"Total Budget: ₹{budget_value:,.2f}")
+
+except ValueError:
+    print("\nInvalid budget. Please enter a valid number.")