python one line if 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: state = 1 if state == 4 else state + 1. The end result is exactly the same as having used an += in-place a, An example of Python's way of doing "ternary" expressions: i = 5 if a > 7 else 0. translates into if a > 7: i = 5 else: i = 0. This actually comes in handy when using list comprehensions, or sometimes in return statements, otherwise I, Your code def sum10(a, b): if sum([a, b]) % 10 == 0: return True; return False. is equivalent to def sum10(a, b): if sum([a, b]) % 10 == 0: return True; return False. so return False is never evaluated. Some (of the probably endless) alternatives: if sum, We look at how you can use one line if statements in Python, otherwise known as the ternary operator. How it is used, and what alternatives are available., x = (a if b else 0). Now what would it print/assign if there was no else clause? The print/assignment is still there. And note, that if you don't want it to be there, you can always write the regular if statement on a single line, though it's les, 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 someBoolValue else num1. If you exclude else num1 , you'll receive a syntax error since I'm quit, x if y else z is the syntax for the expression you're returning for each element. Thus you need: [ x if x%2 else x*100 for x in range(1, 10) ]. The confusion arises from the fact you're using a filter in the first example, but not in the second. , That's more specifically a ternary operator expression than an if-then, here's the python syntax value_when_true if condition else value_when_false. Better Example: (thanks Mr. Burns). 'Yes' if fruit == 'Apple' else 'No'. , No, it's not possible (at least not with arbitrary statements), nor is it desirable. Fitting everything on one line would most likely violate PEP-8 where it is mandated that lines should not exceed 80 characters in length. It's also against the Z
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conditional expressions - Python one line if-else with different ...
+= 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: state = 1 if state == 4 else state + 1. The end res... https://stackoverflow.com How to condense ifelse into one line in Python? - Stack Overflow
An example of Python's way of doing "ternary" expressions: i = 5 if a > 7 else 0. translates into if a > 7: i = 5 else: i = 0. This actually comes in handy when using list compreh... https://stackoverflow.com one line if else condition in python - Stack Overflow
Your code def sum10(a, b): if sum([a, b]) % 10 == 0: return True; return False. is equivalent to def sum10(a, b): if sum([a, b]) % 10 == 0: return True; return False. so return False is never evaluat... https://stackoverflow.com One line if statement in Python (ternary conditional operator) - Python ...
We look at how you can use one line if statements in Python, otherwise known as the ternary operator. How it is used, and what alternatives are available. https://www.pythoncentral.io python - How to write inline if statement for print? - Stack Overflow
x = (a if b else 0). Now what would it print/assign if there was no else clause? The print/assignment is still there. And note, that if you don't want it to be there, you can always write the reg... https://stackoverflow.com python - 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 someBoolValue else num1. If you exclude else num1... https://stackoverflow.com python - One-line list comprehension: if-else variants - Stack ...
x if y else z is the syntax for the expression you're returning for each element. Thus you need: [ x if x%2 else x*100 for x in range(1, 10) ]. The confusion arises from the fact you're using... https://stackoverflow.com python - Putting a simple if-then-else statement on one line ...
That's more specifically a ternary operator expression than an if-then, here's the python syntax value_when_true if condition else value_when_false. Better Example: (thanks Mr. Burns). 'Y... https://stackoverflow.com python - Putting an if-elif-else statement on one line? - Stack ...
No, it's not possible (at least not with arbitrary statements), nor is it desirable. Fitting everything on one line would most likely violate PEP-8 where it is mandated that lines should not exce... https://stackoverflow.com |