python 绘制折线图包括设置字体折线粗细以及标题立方m等

#!usr/bin/env python
# -*- coding:utf-8 -*-
"""
@author: Suyue
@file: flyzhexian.py
@time: 2024/09/04
@desc:
"""
import pandas as pd
import matplotlib
import matplotlib.pyplot as plt
import matplotlib.ticker as ticker
matplotlib.rc("font",family='YouYuan')
matplotlib.use('TkAgg')

input_file = '/PIP.csv'

df = pd.read_csv(input_file)
x_axis_data = df['time2']
y_axis_data = df['PIP']

plt.tick_params(labelsize=13)

plt.plot(x_axis_data, y_axis_data, ls="-", alpha=0.5, linewidth=3, label='abc',color='black')
plt.legend
plt.gca().xaxis.set_major_locator(ticker.MultipleLocator(30))


plt.xlabel('时间',fontsize=15)
plt.ylabel('PIP数浓度（个/'+'${cm^3}$)',fontsize=15)

plt.show()