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(). There are also functions like str(), int(), bool() and float() to switch between data types. You can find out about them here. 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)
This exercise is part of the course
Introduction to Python
Exercise instructions
- Use
print()in combination withtype()to print out the type ofvar1. - Use
len()to get the length of the listvar1. Wrap it in aprint()call to directly print it out. - Use
int()to convertvar2to an integer. Store the output asout2.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Create variables var1 and var2
var1 = [1, 2, 3, 4]
var2 = True
# Print out type of var1
____
# Print out length of var1
____
# Convert var2 to an integer: out2
out2 = ____