Question $1$ In Python, expression $\text{'}$ abc $\text{'}-"$bc$\text{'}$ evaluates to string $\text{'}$ a $\text{'}$ if I is a list with a sufficient number of elements, I$[0$:$3]$ is the list of its first three elements expression $\text{'}$a$\text{'}+\text{'}$bc$\text{'}$ evaluates to string 'abc' expression re$.$split$("\backslash$s$+",$ target$\_$string$)$ calls method split of module re with string $"\backslash$s$+"$ as the first argument and variable target$\_$string as the second expression x$==$y checks whether x and y point to the same object in memory