Python MISC
异常处理
def bar():
try:
try:
return 1 / 0
except ZeroDivisionError as e:
print("Enter except")
raise ValueError("1")
finally:
print("Enter finaly")
raise ValueError("123")
except Exception as e:
print(e.args[0])
bar()
# 输出:
# Enter except
# Enter finaly
# 123使用生成器/上下文管理器处理数据库连接
sys.path
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