I found list comprehension is very useful tool. Currently I encountered a problem. Say there is an array of 5 integers named TEST. I want to add 1 to randomly selected elements of TEST for 10 times and see if there is a zero in the result. I can do it in a normal loop, but my question is if I can …

Is it possible to update Array elements in a list comprehension?

DNF October 6, 2020, 1:41pm 2

Try enclosing the expression in square brackets.

[TEST[rand(1:5)] += 1 for i in 1:10]

In Julia, they’re called ‘array comprehensions’.

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