Adding all project files

venv/Lib/site-packages/altair/examples/stacked_bar_chart.py

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+"""
+Stacked Bar Chart
+-----------------
+
+This is an example of a stacked bar chart using data which contains crop yields over different regions and different years in the 1930s.
+"""
+# category: bar charts
+import altair as alt
+from vega_datasets import data
+
+source = data.barley()
+
+alt.Chart(source).mark_bar().encode(
+    x='variety',
+    y='sum(yield)',
+    color='site'
+)