Question $1(1$ point$)$

Which of the following statements is true?

IPython interactive mode is helpful for executing brief code snippets and seeing immediate results.

When you have many statements to execute as a group, you typically write them as a script stored in a file with the $.$py $($short for Python$)$ extension.

The if statement uses a condition to decide whether to execute a statement $($or a group of statements$).$

All of the above statements are true.