Update app.py

app.py

@@ -79,8 +79,9 @@ cnn.fit(XCnn_train, y_train)
 st.title("Handwritten Text Digit Recognition")
 
 stroke_width = st.sidebar.slider("Stroke width: ", 1, 35, 32)
-stroke_color = st.sidebar.color_picker("Stroke color hex: ")
-bg_color = st.sidebar.color_picker("Background color hex: ", "#eee")
+stroke_color = st.sidebar.color_picker("Stroke color hex:", "#ffffff")  # Default value is white
+bg_color = st.sidebar.color_picker("Background color hex:", "#000000")  # Default value is black
+
 bg_image = st.sidebar.file_uploader("Background image:", type=["png", "jpg"])
 drawing_mode = st.sidebar.selectbox(
     "Drawing tool:", ("freedraw", "line", "rect", "circle", "transform", "polygon")