In the following script, which line(s) will cause an error(s)?

1. Line 6 will cause an error because you can’t reassign a new value to a variable that has already been set.
2. Line 7 and 8 will cause an error. Line 7 has whitespace in $will i work and should be $will_i_work. Line 8 cannot start with a number befcause it is a variable.
3. Line 5 will cause an error because some_string should be someString.
4. Line 3 and 4 will cause an error because a variable cannot start with an underscore(_).

Correct Answer:

• Line 7 and 8 will cause an error. Line 7 has whitespace in $will i work and should be $will_i_work. Line 8 cannot start with a number befcause it is a variable.