import matplotlib.pyplot as plt
import matplotlib.font_manager as fm
import random
# 设置字体
f = "/System/Library/Fonts/PingFang.ttc"
prop = fm.FontProperties(fname=f)
plt.rcParams['axes.unicode_minus']=False

# 生成数据
x = list(range(60))
y_beijing = [random.uniform(10,15) for i in x]
y

import matplotlib.pyplot as plt
import matplotlib.font_manager as fm
import random
# 设置字体
f = "/System/Library/Fonts/PingFang.ttc"
prop = fm.FontProperties(fname=f)
plt.rcParams['axes.unicode_minus']=False

# 生成数据
x = list(range(60))
y_beijing = [random.uniform(10,15) for i in x]
y

abs(-10)
输出:10

round(1.2)
输出：1
round(1.9)
输出：2

def add_num(a, b):
    return abs(a) + abs(b)

result = add_num(-1,2)
print(resu

$ sudo apt install git-core

$ git clone --depth 1 https://github.com/pyenv/pyenv.git ~/.pyenv
$ echo 'export PYENV_ROOT="$HOME/.pyenv

list1 = ['Tom', '男', 20]

list1[0]

list1 = ['男', 20, 'Tom']