Python中断言方法

assert（）方法，断言成功，则程序继续执行，断言失败，则程序报错

'''
断言
'''
a = 5
assert (a>1)
print("断言成功，程序继续进行")

assert (a>7)
print("断言失败，程序报错")

'''

断言成功，程序继续进行
Traceback (most recent call last):
File "D:/pythonProjects/djangoProjects/DistributeSpider1807/lianxi/lianxi2.py", line 221, in <module>
assert (a>7)
AssertionError

'''