python 基础 05

dic1 = {'1':'hahah','2':'heihei','hellow':'98989','name':['大大','小小']}
dic1['nw'] = '999'
dic1['nw'] = '888'
dic1.setdefault('new')
dic1.setdefault('new','asdfasf')
print(dic1.pop('6',None))
dic1.popitem()#随机删除
print(dic1)

print(dic1.pop('6',None))
print(dic1.popitem())
del dic1['2']
# del dic1
print(dic1)

dic2 = {'2':'cfwswscf','for':'asfafrfew'}
dic2.update(dic1)
print(dic2)

print(dic1.keys())
print(dic1.values())
print(dic1.items())