You know that some programming languages make use of a ternary operator to shorten if-else code blocks, but does Python support this kind of syntax? If so, what is the structure of a Python ternary operator?
The ternary operator is used to shorten the code needed to write if-else blocks.
The syntax of ternary operators naturally differs between languages, but in most cases, the operator handles three arguments: the comparison, the result if true, and the result if false.
A normal if-else block takes at least four lines of code. For example,
if x > y: z = x else: z = y
The ternary operator lets you shorten an if-else block into a single line of code.
The Python ternary operator follows this syntax:
x if condition else y
The operator checks a condition, and returns
x if the condition is true or
y if it’s not.
Here is an example of a ternary operator use case:
x = 10 y = 5 z = x if x > y else y print("z = " + str(z))
z = 10
The ternary operator above checks if
x is greater than
y, and if it is, assigns the value of
x (10) to the variable
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