报错
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()
# 模拟根据设计制作3D打印模型过程
print("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)
unprined_designs = ['iphone case', 'robot pendant' , 'dodecahedron']
completed_models = []
print_models(unprinted_designs, completed_models)
show_completed_models(completed_models)
报错：
File "D:/Python34/print_models.py", line 21, in <module>
print_models(unprinted_designs, completed_models)
NameError: name 'unprinted_designs' is not defined
我已经定义了，为什么报错显示是无错误呢？？
请大佬指教 定义列表的时候少个t：unprinted_designs
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