$"$## Question $1$: debugging $(9$ marks$)$

$",$

"The following code is supposed to print out the Fibonacci sequence up to the number of terms specified by the user.

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"For example, if the user enters $10,$ the output should be:

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$"$

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"Fibonacci sequence of $10$ terms:

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$"0,1,1,2,3,5,8,13,21,34$

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$"$

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"However, the program contains a number of errors. Your task is to fix the code until it works correctly.

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"For each error that you find in the program, add a comment to explain the error."

$]$

$\},$

$\{$

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"source": $[$

"num$\_$terms $=$ input$(\backslash "$Enter the number of terms: $\backslash ")$

$",$

$"$t$1=0$

$",$

$"$t$2=1$

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"counter $=1$ # counter for checking when to stop

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$"$if num$\_$terms $<=0$

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$"$ print$(\backslash "$No terms $-$ number is not positive$\backslash ")$

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"else:

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$"$ while counter $<$ num$\_$terms:

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$"$ print$(\backslash "$Fibonacci sequence of$\backslash ",$ num$\_$terms, $\backslash "$ terms:$\backslash ")$

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$"$ if $($counter $=$ num$\_$terms $-1)$: # the last term

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$"$ print$($t$1)$

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$"$ else:

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$"$ print$($t$1,$ end $=\backslash ",\backslash ")$

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$"$ next$\_$term $=$ t$1+$ t$2$

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$"$ # update values

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$"$ t$1=$ t$2$

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$"$ t$2=$ next$\_$term"

$]$

$\},$

$\{$

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