String concatnation in dart code example

Example: flutter string concatenation

var txn = {title: 'Amount Deducted', amount: 150};
var branchCode = 'ABD125';

print("Branch Code $branchCode"); // ABD125
print("\$ ${txn.amount}"); // $150
print("Total Amount Deducted: ${txn.amount}"); // Total Amount Deducted: 150