python assignment if condition
site.py env_base is only used on these lines, putting its assignment on the if moves it as the "header" ..... Assignment in Python is a statement, not an expression. ,num1 = (20 if intvalue else 10). in case that the assigned value is the same one in the condition? this is how it looks now: num1 = (intvalue if intvalue else 10). , The most common usage is to make a terse simple conditional assignment statement. ... It first evaluates the condition; if it returns True , expression1 will be evaluated to give the result, otherwise expression2 . Evaluation is lazy, so only one express, 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 ..., Python has such an operator: variable = something if condition else something_else. Alternatively, although not recommended (see ...,You can use a function to encapsulate the logic and unpack it back to the variables you're interested in: def decider(x, y, condition, val): if condition: return val, ... ,There is conditional assignment in Python 2.5 and later - the syntax is not very obvious hence it's easy to miss. Here's how you do it: x = true_value if condition ... ,In Python, assignment is a statement, not an expression, and can therefore not be used inside an arbitrary expression. This means that common C idioms like: while (line = readline(file)) ...do something with line... } if (match = search(target)) ...do s
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 python assignment if condition 相關參考資料
Can we have assignment in a condition? - Stack Overflow
site.py env_base is only used on these lines, putting its assignment on the if moves it as the "header" ..... Assignment in Python is a statement, not an expression. https://stackoverflow.com One line if assignment in python - Stack Overflow
num1 = (20 if intvalue else 10). in case that the assigned value is the same one in the condition? this is how it looks now: num1 = (intvalue if intvalue else 10). https://stackoverflow.com One line if statement in Python (ternary conditional operator) - Python ...
The most common usage is to make a terse simple conditional assignment statement. ... It first evaluates the condition; if it returns True , expression1 will be evaluated to give the result, otherwis... 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 python ? (conditionalternary) operator for assignments - Stack ...
Python has such an operator: variable = something if condition else something_else. Alternatively, although not recommended (see ... https://stackoverflow.com Python assignment to conditional LHS - Stack Overflow
You can use a function to encapsulate the logic and unpack it back to the variables you're interested in: def decider(x, y, condition, val): if condition: return val, ... https://stackoverflow.com Python conditional assignment operator - Stack Overflow
There is conditional assignment in Python 2.5 and later - the syntax is not very obvious hence it's easy to miss. Here's how you do it: x = true_value if condition ... https://stackoverflow.com Why can't I use an assignment in an expression? - Effbot
In Python, assignment is a statement, not an expression, and can therefore not be used inside an arbitrary expression. This means that common C idioms like: while (line = readline(file)) ...do someth... http://effbot.org |