python assign if else one line
Use : syntax tto do one line if conditional assignments. Use the syntax if conditional-statement : variable = value to assign value to variable if the conditional- ... , Try this: category.is_parent = True if self.request.get('parentKey') else False. To check only against None : category.is_parent = True if ...,跳到 Case 2: You Have an Else Branch And You Want to ... - Case 3: What If We Don't Want to Assign Any Value But We Have an Else Branch? How to Write ... ,You can use or here: num1 = intvalue or 10. or short-circuits; if the first expression is true, that value is returned, otherwise the outcome of the second value is ... , Basic if statement (ternary operator) info The most common usage is to make a terse simple conditional assignment statement. In other words, it offers one-line code to evaluate the first expression if the condition is true, otherwise it evaluates the sec, I don't think this is possible in Python, since what you're actually trying to do probably gets expanded to something like this: num1 = 20 if ..., That's more specifically a ternary operator expression than an if-then, here's the python syntax value_when_true if condition else ..., += is not an operator, it is a statement. You cannot use statements in an expression. Since state is an integer, just use + , which is an operator:
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 python assign if else one line 相關參考資料
How to do one line if conditional assignments in Python - Kite
Use : syntax tto do one line if conditional assignments. Use the syntax if conditional-statement : variable = value to assign value to variable if the conditional- ... https://www.kite.com How to write Python if else in single line? - Stack Overflow
Try this: category.is_parent = True if self.request.get('parentKey') else False. To check only against None : category.is_parent = True if ... https://stackoverflow.com If-Then-Else in One Line Python | Finxter
跳到 Case 2: You Have an Else Branch And You Want to ... - Case 3: What If We Don't Want to Assign Any Value But We Have an Else Branch? How to Write ... https://blog.finxter.com One line if assignment in python - Stack Overflow
You can use or here: num1 = intvalue or 10. or short-circuits; if the first expression is true, that value is returned, otherwise the outcome of the second value is ... https://stackoverflow.com One line if statement in Python (ternary conditional operator ...
Basic if statement (ternary operator) info The most common usage is to make a terse simple conditional assignment statement. In other words, it offers one-line code to evaluate the first expression i... https://www.pythoncentral.io One line if-condition-assignment - Stack Overflow
I don't think this is possible in Python, since what you're actually trying to do probably gets expanded to something like this: num1 = 20 if ... https://stackoverflow.com Putting a simple if-then-else statement on one line - Stack ...
That's more specifically a ternary operator expression than an if-then, here's the python syntax value_when_true if condition else ... https://stackoverflow.com Python one line if-else with different operators - Stack Overflow
+= is not an operator, it is a statement. You cannot use statements in an expression. Since state is an integer, just use + , which is an operator: https://stackoverflow.com |