Write an expression that executes the loop body as long as the user enters a non$-$negative number.

Note: If the submitted code has an infinite loop, the system will stop running the code after a few seconds and rep end never reached." The system doesn't print the test case that caused the reported message.

Sample outputs with inputs: $952-1$

Body

Body

Body

Done.

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$1$ user$\_$num $=$ int$($input $())$

while $\text{'}"\text{'}$ Your solution goes here $\text{'}"\text{'}$:

print$(\text{'}$Body$\text{'})$

user$\_$num $=$ int $($input $())$

print$(\text{'}$Done$.\text{'})$