### Calculating Correlation

Follow the link to calculate correlation between two stocks

### Finding the sum of the values in a list/average value

This post will show more list operations. Specifically how to find the sum and average values of a list of numbers.

### Adding total value to an existing variable

When we have an existing variable for an integer or float, we can add value to it by taking the existing value and increasing it. Example below: x = 5 x = x + 5 print(x) y = 10 y = y * 10 print(y) When running this code, we would see that x equals 10 and y = 100.

### Appending (Adding an item) to a List

This code will show you how you can add an item to a list. If we wrote the following code below: numbers = [] numbers.append(10) print(numbers) ---Output: [10] values = ["hello"] values.append("Hi") print(values) ---Output: ["hello", "Hi"]

### Looping through a List

This shows how to loop through a list

### Length of a List Python - Important for loops

How to use the len() function and how to reference the last item of a list

### Set 6 Exercise: Rock-Paper-Scissors

Implement this game of rock-paper-scissors where the user plays against the computer. Think about how to store all the possible choices for the computer in a list and randomly assign the computers choice every round. The user should input their choice of rock, paper or scissors.

### Printing Specific Values from a List

This will show how to print out specific items in a list

### List Positons (Indeces)

This video introduces the concept of list indeces which will be very important going forward.

### Creating Lists With Predefined Variables

This shows how to create lists with predefined variables. Example: x = 10 y = 20 z = 30 numbers = [x, y, z] print(numbers)

### Lists With Integers

This shows how to create lists with integers. list1 = [1, 2, 3, 4] For floats: list2 = [2.0, 3.5, 4.8]