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Creating and Modifying a List in Python
Range I

Often, we want to create a list of consecutive numbers. For example, suppose we want a list containing the numbers 0 through 9:

my_list = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]

Typing out all of those numbers takes time and the more numbers we type, the more likely it is that we have a typo.

Python gives us an easy way of creating these lists using a function called range. The function range takes a single input, and generates numbers starting at 0 and ending at the number before the input. So, if we want the numbers from 0 through 9, we use range(10) because 10 is 1 greater than 9:

my_range = range(10)

Just like with zip, the range function returns an object that we can convert into a list:

>>> print(my_range) range(0, 10) >>> print(list(my_range)) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]



Modify list1 so that it is a range containing numbers starting at 0 and up to, but not including, 9.


Create a range called list2 with the numbers 0 through 7.

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