9.1 Python Dictionaries
We compare and contrast how Python lists and dictionaries are structured internally. How we use position to index lists and use keys to index dictionaries.
29 Syys 20169min
9.2 Building Histograms
We look at how we can use dictionaries to count the frequencies of many things at the same time. We learn how the key and value are related in a dictionary and example the get method to retrieve valu...
29 Syys 20169min
9.3 Counting Words in Text
In this segment we bring everything together, reading a file, parsing the lines, and computing the frequencies of the words in the file. This is an important moment that pulls from everything we have...
29 Syys 201611min
Worked Exercise: Dictionaries
Worked Exercise: Dictionaries
29 Syys 201624min
10.1 Understanding Tuples
We look at the basic syntax and capabilities of Python tuples. We explore the concept of immutability, and we compare tuples to lists and strings.
29 Syys 20169min
10.2 Sorting Data
We look at how we sort lists, dictionaries, and lists of tuples in Python.
29 Syys 201612min
Worked Example: Sorting Dictionaries
Worked Example: Sorting Dictionaries
29 Syys 201610min
11.1 Introduction to Regular Expressions
We look at the syntax of regular expressions and how to use them to search through text data.
29 Syys 201610min
