New exercise about variable types

[pilino1234]

The exercise should introduce students to basic datatypes in programming, such as:

• numeric types: int, float, (complex)
• boolean
• string

It should also include some introduction to operations on these types.

Further, introduction to containers such as lists and dicts (maps) can be added as well.

[pilino1234]

• Using type() to find the type of variables?