Stacked Bar

from dataviz_mojo import stacked_bar
from dataviz_mojo.plot import save

def main() raises:
    var quarters: List[String] = ["Q1", "Q2", "Q3", "Q4"]
    var series_names: List[String] = ["North", "South", "East"]
    var values: List[List[Float64]] = [
        [42.0, 48.0, 45.0, 61.0],
        [30.0, 35.0, 33.0, 40.0],
        [55.0, 50.0, 58.0, 66.0],
    ]

    var c = stacked_bar(
        quarters,
        series_names,
        values,
        title="Quarterly Revenue by Region (stacked)",
        x_title="Quarter",
        y_title="Revenue ($M)",
    )
    save(c, "docs/src/examples/out_stacked_bar.svg")