Phyton Problem: num$\_$nectarines and my$\_$money are read from input. A nectarine costs $3$ dollars.

If num$\_$nectarines is less than $3,$ then output 'num$\_$nectarines is less than the required amount to purchase.$\text{'}$

If num$\_$nectarines is greater than or equal to $3,$ then assign total$\_$cost with the product of num$\_$nectarines and $3.$

If total$\_$cost is less than or equal to my$\_$money, then output 'Successful purchase!$\text{'}$

Otherwise, output 'Not all nectarines purchased.$\text{'}$

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Ex $1$: If the input is:

$0$

$98$

then the output is:

num$\_$nectarines is less than the required amount to purchase.

Ex $2$: If the input is:

$12$

$61$

then the output is:

Successful purchase!

Ex $3$: If the input is:

$13$

$29$

then the output is:

Not all nectarines purchased.