$$Write the source code that corresponds to the pseudocode

$1.$Use a while loop to prompt a user for a weight.$$ Validate that the weight is not negative.

Pseudocode:

Declare variables

float weight

weight $=-1$

while weight $<0$:

$$ Prompt for weight

$$ if weight $<0$:

$$Display $$Invalid$.$ Weight must be at least $0.$

$$