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Exercise

Familiar functions

Out of the box, Python offers a bunch of built-in functions to make your life as a data scientist easier. You already know two such functions: print() and type(). You've also used the functions str(), int(), bool() and float() to switch between data types. These are built-in functions as well.

Calling a function is easy. To get the type of 3.0 and store the output as a new variable, result, you can use the following:

result = type(3.0)

The general recipe for calling functions and saving the result to a variable is thus:

output = function_name(input)
Instructions
100 XP
  • Use print() in combination with type() to print out the type of var1.
  • Use len() to get the length of the list var1. Wrap it in a print() call to directly print it out.
  • Use int() to convert var2 to an integer. Store the output as out2.
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