Modules can be imported using the keyword:
This program can use any public definitions from the module, such as the function. See the documentation for a list of common modules and their public symbols.
You can also import specific functions and types from modules directly:
Note: This is not allowed for constants - they must always be prefixed.
Module import aliasing
Any imported module name can be aliased using the keyword:
NOTE: this example will not compile unless you have created