7.9 字典生成式

 

'''字典的生成式，zip()为打包函数'''
items=['Fruits','Books','Others']
prices=[96,78,100]
d={item.upper():price    for item,price in zip(items,prices)}#upper()为大写字母函数
print(d)

E:\PycharmProjects\pythonProject\venv\Scripts\python.exe E:/PycharmProjects/pythonProject/demon1/demo8.py
{'FRUITS': 96, 'BOOKS': 78, 'OTHERS': 100}

进程已结束,退出代码0

#如果两列生成列表一长一短，取短生成字典

'''字典的生成式，zip()为打包函数'''
items=['Fruits','Books','Others']
prices=[96,78,100,101]  #比item多一个元素
d={item.upper():price    for item,price in zip(items,prices)}#upper()为大写字母函数
print(d)

E:\PycharmProjects\pythonProject\venv\Scripts\python.exe E:/PycharmProjects/pythonProject/demon1/demo8.py
{'FRUITS': 96, 'BOOKS': 78, 'OTHERS': 100}

进程已结束,退出代码0