import matplotlib
import matplotlib.pyplot as plt
from matplotlib.font_manager import FontManager
import pandas as pd
matplotlib.rc("font",family="YouYuan")
mpl_fonts = set(f.name for f in FontManager().ttflist)
import matplotlib
import matplotlib.pyplot as plt
from matplotlib.font_manager import FontManager
import pandas as pd
matplotlib.rc("font",family="YouYuan")
mpl_fonts = set(f.name for f in FontManager().ttflist)