Update app.py

app.py

@@ -1,27 +1,22 @@
+import streamlit as st
 
 def loan_emi(amount, duration, rate, down_payment=0):
     """
     Calculate the Equated Monthly Installment (EMI) for a loan.
-    
-    Parameters:
-    amount (float): Total loan amount (principal).
-    duration (int): Loan duration in months.
-    rate (float): Monthly interest rate (as a decimal, e.g., 0.1 for 10%).
-    down_payment (float, optional): Initial amount paid upfront. Default is 0.
-    
-    Returns:
-    float: EMI amount rounded to 2 decimal places.
     """
     loan_amount = amount - down_payment
     emi = (loan_amount * rate * ((1 + rate) ** duration)) / (((1 + rate) ** duration) - 1)
     return round(emi, 2)
 
-# Example usage
-if __name__ == "__main__":
-    amount = float(input("Enter the loan amount: "))  # Principal amount
-    duration = int(input("Enter the loan duration in months: "))  # Loan duration in months
-    rate = float(input("Enter the monthly interest rate (as decimal, e.g., 0.1 for 10%): "))  # Monthly interest rate
-    down_payment = float(input("Enter the down payment amount (if any, else 0): "))
-    
+# Streamlit App
+st.title("EMI Calculator")
+
+amount = st.number_input("Enter the loan amount:", min_value=0.0, format="%f")
+duration = st.number_input("Enter the loan duration in months:", min_value=1, format="%d")
+rate = st.number_input("Enter the monthly interest rate (as decimal, e.g., 0.1 for 10%):", min_value=0.0, format="%f")
+down_payment = st.number_input("Enter the down payment amount (if any, else 0):", min_value=0.0, format="%f")
+
+if st.button("Calculate EMI"):
     emi_value = loan_emi(amount, duration, rate, down_payment)
-    print(f"Monthly EMI: {emi_value}")
+    st.success(f"Your Monthly EMI: {emi_value}")
+