def style_color(sht, keyword):
"""
:param sht: 数据表
:param keyword: 查找'关键字'
:return: 相应单元格颜色
"""
for row in range(1, 20):
for col in range(1, 20):
if sht.range(row, col).value == keyword:
color3 = sht.range(row, col).color
break
return color3