Create app.py

app.py

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+import streamlit as st
+import plotly.graph_objects as go
+
+# Set default values
+x = 5
+y = 3
+
+# Create UI elements
+st.title('Multiply Two Numbers and Add a Constant')
+x = st.slider('x', min_value=0, max_value=20, value=x)
+y = st.slider('y', min_value=0, max_value=20, value=y)
+
+# Calculate and show the result
+result = x * y + 13
+st.write('Result: ', result)
+
+# Create the Plotly chart
+fig = go.Figure()
+fig.add_trace(go.Scatter(x=[x], y=[result], mode='markers', name='Result'))
+
+# Add equation line
+x_eq = [0, x]
+y_eq = [13, result]
+
+fig.add_trace(go.Scatter(x=x_eq, y=y_eq, mode='lines', name='Equation'))
+
+# Show the chart
+st.plotly_chart(fig)