Matplotlib笔记：安装Matplotlib+常用绘图

Matplotlib

Python的2D绘图库

安装Matplotlib

1. 打开Anaconda Prompt
2. 切换环境（默认是base，无需切换）
3. 输入命令行安装pip install -i https://pypi.tuna.tsinghua.edu.cn/simple matplotlib==3.5.2

绘图

导入import matplotlib.pyplot as plt

折线图

import random

import matplotlib.pyplot as plt

x = [num for num in range(101)]
y = [random.randint(0, 10) for num in range(101)]
plt.plot(x, y)
plt.savefig('./img/2.jpg')
plt.show()

饼图

import matplotlib.pyplot as plt

# 中文乱码
plt.rcParams['font.sans-serif'] = ['Microsoft YaHei']
# 构造百分比数据和标签
data = [0.2515, 0.3724, 0.3336, 0.0368, 0.0057]
labels = ['美国', '中国', '英国', '法国', '荷兰']
# 绘制饼图
plt.pie(x=data, labels=labels)</