Update src/streamlit_app.py

src/streamlit_app.py

@@ -58,20 +58,26 @@ st.dataframe(df.head())
 
 # Pie Chart 1: Top 10 Crime Types
 st.markdown("<div class='title'><h1> Top 10 Crime Type </h1></div>", unsafe_allow_html=True)
+
 years = sorted(df["year"].dropna().astype(int).unique())
+# Prepend an “All” option
+options = ["All"] + years
 
 # Year filter (shorter, above chart)
 col_empty, col_filter = st.columns([3,1])
 with col_filter:
     selected_year = st.selectbox(
         "Select Year",
-        years,
-        index=len(years)-1,
+        options=options,
+        index=0,  # default to “All”
         key="year_filter"
     )
 
-# Filter data for that year
-filtered = df[df["year"] == selected_year]
+# Filter according to selection
+if selected_year == "All":
+    filtered = df.copy()
+else:
+    filtered = df[df["Year"] == selected_year]
 
 # Compute top 10 crime types for that year ──
 top_crimes = (