Grouping Data

Use dictionaries to group data by category.

sales = [
    {"category": "Food", "amount": 100},
    {"category": "Tech", "amount": 500},
    {"category": "Food", "amount": 150}
]
totals = {}
for sale in sales:
    cat = sale["category"]
    if cat not in totals:
        totals[cat] = 0
    totals[cat] += sale["amount"]

Your Task

Given the data below, calculate and print total sales per region:

• East: 650
• West: 550

orders = [
    {"region": "East", "sales": 200},
    {"region": "West", "sales": 350},
    {"region": "East", "sales": 450},
    {"region": "West", "sales": 200}
]