Using the plot function of pandas, how to set the font size of title?

use pandas"s plot function to draw:
df.plot (title=" title", fontsize=20)
where the fontsize parameter can only adjust the font size of the x-axis and y-axis. (the official website explains: Font size for xticks and yticks), how can I adjust the font size of title?

Jun.10,2021

fig = df.plot(title='', fontsize=20)
fig.axes.title.set_size(20)
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b3ac83-2c26c.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3ac83-2c26c.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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