I’d like to develop a “Cross-Curricular” or “Interdisciplinary” unit for my {grade} {subject} students that incorporates {topic}, so please provide detailed and innovative ideas for engaging activities, projects, or lessons that effectively connect {sub-topics} to relevant concepts and skills from other subject areas, while also including specific suggestions for collaboration with other teachers and methods for assessment and student reflection throughout the unit.
Please help me to outline a comprehensive curriculum plan for an introductory course in Python programming targeted at high school students, ensuring that it includes essential key concepts such as variables, control structures, and functions. Additionally, please specify engaging projects and appropriate evaluation methods that align with best educational practices to foster student understanding and retention.