1.异常的基本写法:
image.png
2.try...except....else规则:
image.png
3.使用json存储数据:
import json
nums = [1,2,3,6,89]
dc={'a':123,'dd':'hellodic'}
filename = 'test.json'
with open(filename,'w') as fo:
#json.dump(nums,fo)
json.dump(dc,fo)
with open(filename) as fo:
ts = json.load(fo)
print(ts)
4.安装matplotlib:
https://blog.csdn.net/qq_41720475/article/details/81978694
5.matplotlib画图实例:
image.png
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