E703 statement ends with a semicolon E704 (*) multiple statements on one line (def) E711 (^) comparison to None should be 'if cond is None:’ E712 (^) comparison to True should be 'if cond is True:’ or 'if cond:’ E713 test for membership should be 'not in’ E714 test fo...
PEP 8: multiple statements on one line (colon) 解决方法:多行语句写到一行了,比如:if x == 2: print('OK')要分成两行写 PEP 8: line too long (82 > 79 characters) 解决方法:超过了每行的最大长度限制79 PEP 8: Simplify chained comparison 可简化连锁比较(例如:if a >= 0 and a <= 9: ...
PEP 8: multiple statements on one line (colon) 解决方法:多行语句写到一行了,比如:if x == 2: print('OK')要分成两行写 PEP 8: line too long (82 > 79 characters) 解决方法:超过了每行的最大长度限制79 PEP 8: Simplify chained comparison 可简化连锁比较(例如:if a >= 0 and a <= 9: ...
1>>>dir(print)2['__call__','__class__','__delattr__','__dir__','__doc__','__eq__','__format__','__ge__','__getattribute__','__gt__','__hash__','__init__','__le__','__lt__','__module__','__name__','__ne__','__new__','__qualname__','...
the Python REPL. REPL stands for Read Evaluate Print Loop; this describes what Python does as you use the REPL: it reads the statement you've typed, evaluates it when you hit the Enter key, prints out the result of that statement, and then waits for you to type another statement again...
(5) See what has been printed up to this step. Here the print statement in theNodeconstructor (line 5) has run 3 times. The user can navigate forwards and backwards through all execution steps, and the visualization changes to match the run-time state of the stack and heap at each step...
E702 multiple-statements-on-one-line-semicolon E703 useless-semicolon E711 none-comparison E712 true-false-comparison E713 not-in-test E714 not-is-test E721 type-comparison E722 bare-except E731 lambda-assignment E741 ambiguous-variable-name ...
The TestSuite class also has a .addTests() method that you can use to add several tests in one go. This method takes an iterable of test cases, test suites, or a combination of them. Consider the following example that creates a test suite with the statistical tests: Python test_calcula...
An object's docstring is defined by including a string constant as the first statement in the object's definition. Unlike regular comments, which explain individual lines of code, docstrings provide high-level descriptions of what a function, class, or module does. Well-written docstrings improve...
Big deal: all you need to do is add another print() statement, right? Yes, adding one extra print() statement works for one extra movie, but what if you need to add another hundred favorite movies? The scale of the problem defeats you, because adding all those extra print() statements...