Create app.py

app.py

@@ -0,0 +1,47 @@
+import pandas as pd
+import streamlit as st
+
+import altair as alt
+import duckdb
+
+con = duckdb.connect(database='Job.db', read_only=True) 
+
+# Countries
+query="""
+   SELECT * 
+   FROM job
+"""
+Countries=list(con.execute(query).df().columns)[2:]
+
+
+st.subheader('Investingation')
+
+col1, col2 = st.columns(2)
+
+with col1:
+    query="""
+            SELECT 
+                 DISTINCT variable
+            From job        
+            ORDER BY variable       
+          """
+
+    kinds=con.execute(query).df()
+    kind = st.selectbox('Kind of Statistics',kinds)
+with col2: 
+    country = st.selectbox('Country',Countries)
+
+
+result_df = con.execute("""
+    SELECT 
+        *
+    FROM Job 
+    WHERE variable=?
+    """, [kind]).df()
+
+chart = alt.Chart(result_df).mark_circle().encode(
+    x = 'date',
+    y = country,
+    #color = 'carrier'
+).interactive()
+st.altair_chart(chart, theme="streamlit", use_container_width=True)