python assign variable in if condition
It will make your code slightly faster, and what is much more important, more readable and less error prone. Whether the list you create passes the test len(. ,2010年4月9日 — Update: This is possible (with different syntax) in Python 3.8 ... This is a proposal for creating a way to assign to variables within an ... sysconfig.py Calling fp.readline() in the while condition and calling .match() on the if lines ,2019年4月27日 — The one liner doesn't work because, in Python, assignment ( fruit = isBig(y) ) is a statement, not an expression. In C, C++, Perl, and countless ... ,2011年10月24日 — 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 ... ,2018年9月1日 — For some reason I can't remember how to do this - I believe there was a way to set a variable in Python, if a condition was true? What I mean is ... ,This is terrible practice, but you could use the arrow of doom approach. if nuggets20 == 0: n20 = True else: nuggets10 = nuggets20 % 10 if nuggets10 == 0: ... ,2010年5月14日 — Python variables are scoped to the innermost function, class, or module in which they're assigned. Control blocks like if and while blocks don't ... ,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 assign variable in if condition 相關參考資料
Assign variable name to list in if statement python - Stack ...
It will make your code slightly faster, and what is much more important, more readable and less error prone. Whether the list you create passes the test len(. https://stackoverflow.com Can we have assignment in a condition? - Stack Overflow
2010年4月9日 — Update: This is possible (with different syntax) in Python 3.8 ... This is a proposal for creating a way to assign to variables within an ... sysconfig.py Calling fp.readline() in the whi... https://stackoverflow.com How to assign a variable in an IF condition, and then return it ...
2019年4月27日 — The one liner doesn't work because, in Python, assignment ( fruit = isBig(y) ) is a statement, not an expression. In C, C++, Perl, and countless ... https://stackoverflow.com One line if-condition-assignment - Stack Overflow
2011年10月24日 — 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 Conditional Variable Setting - Stack Overflow
2018年9月1日 — For some reason I can't remember how to do this - I believe there was a way to set a variable in Python, if a condition was true? What I mean is ... https://stackoverflow.com Using if else statement to assign a variable in python - Stack ...
This is terrible practice, but you could use the arrow of doom approach. if nuggets20 == 0: n20 = True else: nuggets10 = nuggets20 % 10 if nuggets10 == 0: ... https://stackoverflow.com What's the scope of a variable initialized in an if statement ...
2010年5月14日 — Python variables are scoped to the innermost function, class, or module in which they're assigned. Control blocks like if and while blocks don't ... 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 |