Create app.py

app.py

@@ -0,0 +1,54 @@
+import streamlit as st
+import numpy as np
+
+# Function to calculate loan details
+def calculate_loan(loan_amount, loan_term_years, interest_rate):
+    monthly_rate = interest_rate / 100 / 12
+    loan_term_months = loan_term_years * 12
+    monthly_payment = loan_amount * (monthly_rate * (1 + monthly_rate) ** loan_term_months) / ((1 + monthly_rate) ** loan_term_months - 1)
+    total_payments = monthly_payment * loan_term_months
+    total_interest = total_payments - loan_amount
+    return monthly_payment, total_payments, total_interest
+
+# Main Streamlit app
+def main():
+    st.subheader("Real Estate Loan Calculator")
+    st.markdown("---")
+    st.subheader("Loan Details")
+    col1, col2, col3 = st.columns(3)
+
+    with col1:
+        loan_amount = st.number_input("Loan Amount (€)", value=150000, step=1000)
+        loan_term_years = st.number_input("Loan Term (Years)", value=20, step=1)
+        interest_rate = st.number_input("Interest Rate (%)", value=3.49, step=0.01)
+
+    monthly_payment, total_payments, total_interest = calculate_loan(loan_amount, loan_term_years, interest_rate)
+    
+    with col2:
+        st.markdown(
+            f"""
+            <div style="border: 2px solid #ccc; padding: 10px; background-color: #0e1117; border-radius: 5px; text-align: center;">
+                <h4 style="font-weight: bold;">Loan Details</h4>
+                <p>Monthly:<br> <span style="font-weight: bold; color: orange;">{monthly_payment:.2f} €</span><br>
+                Total:<br> <span style="font-weight: bold; color: teal;">{total_payments:.2f} €</span><br>
+                Total Interest:<br> <span style="font-weight: bold; color: green;">{total_interest:.2f} €</span></p>
+            </div>
+            """,
+            unsafe_allow_html=True
+    )
+    with col3:   
+        st.markdown(
+            f"""
+            <div style="padding: 10px; ">
+                <h5 style="font-style: italic;">Project Costs</h5>
+                <p style="font-style: italic;"><span style="font-weight: bold;">Costs closing: 10,000 €</span></p>
+                <p style="font-style: italic;">Notary fees and others: 5,000 €</p>
+                <p style="font-style: italic;">Notary fees and others: 5,000 €</p>
+            </div>
+            """,
+            unsafe_allow_html=True
+        )
+
+if __name__ == "__main__":
+    main()
+