September 16, 2019 constituted an exception

Unusual composition:

1. exception class
2. outlier
3. tracking information (captured interpreter)

DEF The __exit __ (Self, exc_type, exc_val, exc_tb): 
Print ( 'do Exit')
Print ( 'exc_type exception classes:', exc_type)
Print ( 'exc_val abnormality content', exc_val)
Print ( 'exc_tb abnormality Tracking: ', exc_tb)

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Origin www.cnblogs.com/python1988/p/11529905.html