data_analysis5

笔记

# matplotlib显示中文字符
from matplotlib import pyplot as plt
from matplotlib.font_manager import FontProperties

font = FontProperties(fname='C:/Windows/Fonts/msyh.ttc')
plt.rcParams['font.family'] = font.get_name()

y1 = [11,17,16,11,12,11,12,6,6,7,8,9,12,15,14,17,18,21,16,17,20,14,15,15,15,19,21,22,22,22,23]
y2 = [26,26,28,29,21,17,16,19,18,20,20,19,22,23,17,20,21,20,22,15,11,15,5,13,17,10,11,13,12,13,6]

x1=range(1,32)
x2=range(51,82)

# 设置图形大小
plt.figure(figsize=(20,8),dpi=80)

# 使用scatter方法绘制散点图，和之前绘制折线图的唯一区别
plt.scatter(x1,y1,label="3月份")
plt.scatter(x2,y2,label="10月份")

# 调整x轴的刻度
_x = list(x1)+list(x2)
_xtick_labels = ["3月{}日".format(i) for i in x1]
_xtick_labels += ["10月{}日".format(i-50) for i in x2]
plt.xticks(_x[::3],_xtick_labels[::3],rotation=45)

# 添加图例
plt.legend(loc='upper left')

# 添加描述信息
plt.xlabel("时间",fontproperties=font)
plt.ylabel("温度",fontproperties=font)
plt.title("标题",fontproperties=font)

# 展示
plt.show()