Python 面试题核心总结 16
1 直接创建
dict={'name':'earth','port':'80'}
2 工厂方法
items=[('name','earth'),('port','80')]
dict2=dict(items)
dict1=dict((['name','earth'],['port','80']))
3 fromkeys()方法
dict1={}.fromkeys(('x','y'),-1)
dict={'x':-1,'y':-1}
dict2={}.fromkeys(('x'