import QuantLib as ql # 1. Set Evaluation Date today = ql.Date(25, 6, 2026) ql.Settings.instance().evaluationDate = today # 2. Define Individual Cash Flows # A SimpleCashFlow takes an amount and a payment date cf1 = ql.SimpleCashFlow(100.0, ql.Date(25, 6, 2027)) cf2 = ql.SimpleCashFlow(105.0, ql.Date(25, 6, 2028))