import pandas as pd
import matplotlib.pyplot as plt
plt.rcParams['font.sans-serif']=['SimHei']
#年龄
age=[34,32,45,65,45,22,34,56,54,21]
#收入
income=[367,344,655,444,322,665,777,544,678,232]
#销售
sales=[123,321,342,34,233,456,233,432,32,23]
#创建DataFrame,将数据存入csv
df=pd.DataFrame({"age":age,"income":income,"sales":sales})
df.to_csv("./age_income.csv")
#读csv文件，将数据存入DataFrame
df2=pd.read_csv("./age_income.csv")
#画图（折线图）
df2.sort_values(by='age',inplace=True)
plt.subplot(1,2,1)
plt.plot(df2['age'],df2["sales"],c='r',marker='o')#插入数据
plt.title("毛shangp：年龄销售关系图")
plt.xlabel("年龄")
plt.ylabel("销售")
#化柱形图
df2.sort_values(by='income',inplace=True)
plt.subplot(1,2,2)#子图
plt.bar(df2['income'],df2['sales'])
plt.title("毛shangp：说如销售关系图")
plt.xlabel("年龄")
plt.ylabel("销售")
plt.show()
