It lets you test if a condition in your code returns True, if not, the program will raise an Error.

• ASSERT

• ELIF

• GLOBAL

• IMPORT

It can be used to erase an item at a given index and to remove slices from a list.

• RAISE

• NONE

• DEL

• RETURN

It is used in conditional statements (if statements), and decides what to do if the condition is False.

• YIELD

• RETURN

• LAMBDA

• ELSE

It is used to end the current iteration in a for loop or a while loop and goes to the next iteration.

• GLOBAL

• CONTINUE

• FINALLY

• NONLOCAL

It is used to produce an exception to interrupt the code execution.

• RAISE

• TRY

• WHILE

• IF

It is the same as "else if" in other programming languages.

• EXCEPT

• ELIF

• ELSE

• FINALLY

It allows you to modify the variable outside of the current scope.

• CLASS

• WHILE

• PASS

• GLOBAL

It is used to define a null value or no value at all. It is not the same as 0, False, or an empty string.

• NONE

• NONLOCAL

• RAISE

• LAMBDA

This block lets you check some code for errors.

• DEL

• TRY

• CLASS

• WHILE

It is used to make code in one module available in another.

• ELSE

• DEF

• BREAK

• IMPORT