Help me in solving PYSCRIPTIN problem

help
,
1

My issue

the first page of calculator for knowing how it work the code is pyscript and i am unable to submit pls consider i have completed all other question.

My code

from pyscript import display
import altair as alt
from vega_datasets import data

source = data.movies.url

pts = alt.selection_point(encodings=['x'])

rect = alt.Chart(data.movies.url).mark_rect().encode(
    alt.X('IMDB_Rating:Q', bin=True),
    alt.Y('Rotten_Tomatoes_Rating:Q', bin=True),
    alt.Color('count()',
        scale=alt.Scale(scheme='greenblue'),
        legend=alt.Legend(title='Total Records')
    )
)

circ = rect.mark_point().encode(
    alt.ColorValue('grey'),
    alt.Size('count()',
        legend=alt.Legend(title='Records in Selection')
    )
).transform_filter(
    pts
)

bar = alt.Chart(source).mark_bar().encode(
    x='Major_Genre:N',
    y='count()',
    color=alt.condition(pts, alt.ColorValue("steelblue"), alt.ColorValue("grey"))
).properties(
    width=550,
    height=200
).add_params(pts)

display(alt.vconcat(rect + circ, bar).resolve_legend(color="independent", size="independent"), target="altair")

Learning course: Python Projects
Problem Link: Project - Calculator in Python Projects