'''
? ? 繪制散點圖，要點：plt.scatter(x,y)
'''
# 導入模塊
from matplotlib import pyplot as plt
from matplotlib import font_manager
my_font = font_manager.FontProperties(fname="C:\Windows\Fonts\MSYHL.TTC")
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# 輸入變量數據(參數)
y_3 = [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]
y_10 = [26,26,28,19,21,17,16,19,18,20,20,19,22,23,17,20,21,20,22,15,11,15,5,13,17,10,11,13,12,13,6]
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x_3 = range(1,32)
x_10 = range(51,82)
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# 設置圖形大小
plt.figure(figsize=(20,8),dpi=80)
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# 使用scatter繪制散點圖,和之前繪制折線圖一樣只用將plot更改成scatter
plt.scatter(x_3,y_3,label='3月份氣溫變化散點圖')
plt.scatter(x_10,y_10,label='10月份氣溫變化散點圖')
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# 調整X軸的刻度
_x = list(x_3) + list(x_10)
_xtick_labels = ['3月{}日'.format(i) for i in x_3]
_xtick_labels += ['10月月{}日'.format(i-50) for i in x_10]
plt.xticks(_x[::3],_xtick_labels[::3],fontproperties = my_font,rotation=45)
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# 添加描述信息
plt.xlabel('時間',fontproperties = my_font)
plt.ylabel('溫度',fontproperties = my_font)
plt.title('三月氣溫和十月氣溫散點圖',fontproperties = my_font)
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# 添加圖例
plt.legend(prop=my_font,loc='upper left') ?# 要在繪制圖像那一步添加標簽
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# 展示圖形
plt.show()