在值范围内突出显示pandas中数据框中单元格的内容

import pandas as pd
from IPython.display import display

data = {'Name': ['John', 'Emma', 'Mike', 'Emily'],
        'Age': [25, 28, 30, 24],
        'City': ['New York', 'London', 'Paris', 'Sydney']}
df = pd.DataFrame(data)

def highlight_cells(value):
    if value == 'John':
        return 'background-color: yellow'
    elif value == 'Emma':
        return 'background-color: cyan'
    else:
        return ''

styled_df = df.style.applymap(highlight_cells)

display(styled_df)