Update app.py

app.py

@@ -12,13 +12,13 @@ def calculate_pv(cashflows, rate):
 st.title('Cashflow Present Value Calculator')
 
 # Input for the discount rate
-rate = st.slider('Discount Rate (%)', min_value=0.0, max_value=100.0, value=15.0, step=0.1)/100
+rate = st.number_input('Discount Rate (%)', min_value=0.0, max_value=100.0, value=15.0, step=0.1) / 100
 
 # Inputs for the number of years
-n = st.number_input("How many years?", min_value = 0, step=1)
+n = st.number_input("How many years?", min_value=0, step=1)
 
 # Inputs for the cashflows
-cf_list = [0] * (n+1)  # Asegurémonos de que hay un elemento por cada período
+cf_list = [0] * (n + 1)  # Asegurémonos de que hay un elemento por cada período
 cf_dict = pd.DataFrame({"cashflows": cf_list}).astype(int)
 cf_df = st.text_area("Enter Cashflows (comma-separated)", value=', '.join(map(str, cf_list)))
 
@@ -37,12 +37,12 @@ if st.button('Calculate Present Value'):
     # Plotting cashflow diagram
     fig, ax = plt.subplots(figsize=(8, 6))
     colors = ['green' if cf > 0 else 'red' for cf in cashflows]
-    ax.plot(range(n+1), cashflows, marker='o', color='b', linestyle='-')
-    ax.fill_between(range(n+1), cashflows, color=colors, alpha=0.3)
+    ax.plot(range(n + 1), cashflows, marker='o', color='b', linestyle='-')
+    ax.fill_between(range(n + 1), cashflows, color=colors, alpha=0.3)
     ax.set_title('Cashflow Diagram')
     ax.set_xlabel('Period')
     ax.set_ylabel('Cashflow')
     for i, cf in enumerate(cashflows):
         ax.text(i, cf, f'{cf:,.2f}', ha='center', va='bottom')
     ax.grid(True)
-    st.pyplot(fig)
+    st.pyplot(fig)