Python script that analyzes records and calculates the following values:

The total number of months included in the dataset
The net total amount of "Profit/Losses" over the entire period
The changes in "Profit/Losses" over the entire period, and then the average of those changes
The greatest increase in profits (date and amount) over the entire period
The greatest decrease in profits (date and amount) over the entire period

main.py script creates an output text file named "analysis.txt" that contains a summary of the financial analysis.