import matplotlib.pyplot as plt
plt.rcParams['font.sans-serif'] = ['SimHei']
plt.rcParams['axes.unicode_minus'] = False
import pandas as pd
fig=plt.figure()
df=pd.read_excel(r'Desktop/2015_2017年A股公司净利润增长率.xlsx')
y=df['yoy_2015'][0:10]
x=df['code'][0:10]
plt.xlabel('时间',labelpad=10)
plt.ylabel('yoy',labelpad=10)
plt.plot(x,y)