W3School TIY Editor
W3School 在线教程
改变方向
暗黑模式
demo_python_ref_keyword_assert_1.py:
x = "hello" #if condition returns True, then nothing happens: assert x == "hello" #if condition returns False, AssertionError is raised: assert x == "goodbye"
[email protected]
:/home/python#python demo_python_ref_keyword_assert_1.py
Traceback (most recent call last):
File "demo_python_ref_keyword_assert_1.py", line 5, in <module>
assert x == "goodbye"
AssertionError