python assignment if condition

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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