Create a solution for each challenge below. It must match any dataflow provided.

All required files in study kit.

100 postcodes are stored in the file postcodes.txt.

b759cp
r701ed
f706dt
...

Write a program that will count and display how many postcodes start with ‘g’.

8 postcodes start with 'g'.

The names of 5 items are stored in the file items.txt.

Write a program that will ask the user to enter a price for each item and then save the items and their prices to a file names items_and_prices.csv.

Enter Soap price: 1
Enter Pizza price: 3
Enter Apples price: 2
Enter Carrots price: 1
Enter Ice Cream price: 4

Soap,1
Pizza,3
Apples,2
Carrots,1
Ice Cream,4

The id’s for 50 customers are stored in the file customers.txt.

The id’s are stored using the format:

• name+signup year
• Jane2020

Write a program that will count and display how many customers have signed up from 2020 onwards.

35 customers signed up from 2020 onwards.