07-for-loop.vvm

# VVM Example 07: For Loop
# Iterating over collections with for loops

agent extractor(model="haiku", prompt="Extract structured data from receipts accurately.")

# A batch of expense receipts to process
receipts = [
  "Uber ride from SFO to downtown - $47.50 on 2024-01-15",
  "Team lunch at Pizzeria Delfina - $186.00 on 2024-01-15",
  "Office supplies from Staples - $34.99 on 2024-01-16",
  "Client dinner at Boulevard - $312.45 on 2024-01-17"
]

# Process each receipt
expenses = []
for receipt in receipts:
  extracted = @extractor `Extract: vendor, amount, date, category from: {receipt}`(receipt)
  expenses = expenses + [extracted]

# Calculate totals by iterating with index using range()
total = 0.0
for i in range(len(expenses)):
  total = total + expenses[i].amount

summary = {
  receipt_count: len(receipts),
  expenses: expenses,
  total: total
}

export summary