Update app.py

app.py

@@ -10,7 +10,47 @@ st.set_page_config(
 st.markdown("<h1 style='text-align: center; color: black;'> Welcome to DataAI! 👋</h1>", unsafe_allow_html=True)
 
 st.sidebar.success("Select a demo above.")
+def get_base64_of_bin_file(png_file):
+    with open(png_file, "rb") as f:
+        data = f.read()
+    return base64.b64encode(data).decode()
 
+
+def build_markup_for_logo(
+    png_file,
+    background_position="50% 10%",
+    margin_top="10%",
+    image_width="60%",
+    image_height="",
+):
+    binary_string = get_base64_of_bin_file(png_file)
+    return """
+            <style>
+                [data-testid="stSidebarNav"] {
+                    background-image: url("data:image/png;base64,%s");
+                    background-repeat: no-repeat;
+                    background-position: %s;
+                    margin-top: %s;
+                    background-size: %s %s;
+                }
+            </style>
+            """ % (
+        binary_string,
+        background_position,
+        margin_top,
+        image_width,
+        image_height,
+    )
+
+
+def add_logo(png_file):
+    logo_markup = build_markup_for_logo(png_file)
+    st.markdown(
+        logo_markup,
+        unsafe_allow_html=True,
+    )
+
+add_logo("img/logoo.png")
 st.markdown("<h2 style='text-align: center; color: black;'>This is the demo for the usecases we've worked on.</h1>", unsafe_allow_html=True)
 
 st.markdown("<h3 style='text-align: center; color: black;'>Select a demo from the sidebar to see some examples of what we can do!!! </h2>", unsafe_allow_html=True)