Python 小知识点（10）--异常结构记录

try:
print("try中")
except KeyError as e:
# 异常时，执行该块
print("异常中")
else:
# 主代码块(try)执行完，执行该块
print("try中正常执行后会来到else中")
finally:
print("finally中")
# 无论异常与否，最终执行该块
'''
(1)except KeyError as e: 键错误异常时，执行该块
except IndexError as e:索引错误异常时，执行该块
except Exception as e: 万能异常
(2)else:  try中正常执行后会来到else中
(3)finally:  无论异常与否，最终执行该块

'''