套上运用 - try...except Exception as e:

try:
    增删改查
except Exception as e:
    print("错误信息：%s"%e)

try:
    增删改查
except Exception as e:
    print("错误信息：%s"%e)
else:

try:
    增删改查
except Exception as e:
    print("错误信息：%s"%e)
finally: