def print_models(unprinted_designs,completed_models):
"""模拟打印每个设计，直到没有未打印的设计为止。打印每个设计后，都将其移到列表completed_models中。"""
while unprinted_designs:
current_design=unprinted_designs.pop()
print(f"Printing model:{current_design}")
completed_models.append(current_design)
def show_completed_models(completed_models):
"""显示打印好的所有模型"""
print("\nThe following models have been printed:")
for completed_model in completed_models:
print(completed_model)
#创建一个列表，其中包括一些要打印的设计
unprinted_designs=['phone case','robot pendant','dodecahedron']
completed_models=[]
print_models(unprinted_designs[:],completed_models)
show_completed_models(completed_models)Printing model:dodecahedron
Printing model:robot pendant
Printing model:phone case
The following models have been printed:
dodecahedron
robot pendant
phone case
