Write a single line of code displaying the number 42.
In this exercise you'll learn to use a function by trying the
A function is a named thing that does something specific:
lenfunction measures the thing we give to it,
The syntax to make a function work is called a "function call", to make
"Hello world" the syntax is:
I'm not asking to print the string "42", (composed of two chars), but the number 42.
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