# Copyright (c) Streamlit Inc. (2018-2022) Snowflake Inc. (2022)
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import numpy as np
import pandas as pd

import streamlit as st


def highlight_first(value):
    color = "yellow" if value == 0 else "white"
    return "background-color: %s" % color


grid = np.arange(0, 100, 1).reshape(10, 10)
df = pd.DataFrame(grid)
st._legacy_dataframe(df.style.applymap(highlight_first))
