每天CookBook之Python-018

• 使用推导生成子字典

prices = {
    'ACME': 45.23,
    'AAPL': 612.78,
    'IBM': 205.55,
    'HPQ': 37.20,
    'FB': 10.75
}

p1 = {key: value for key, value in prices.items() if value > 200}

print(p1)

{'AAPL': 612.78, 'IBM': 205.55}