【说站】Python字典常用方法汇总

d = {'name':"tom"}
d.clear()
print(d)                                         #the result : {}

print({}.fromkeys(['name','age']))              #the result　：　{'age': None, 'name': None}

d = {'Tom':8777,'Jack':8888,'Fly':6666}
print(d.get('Tom'))                              #the result ：     8777
print(d.get('not_exist'))                       #the result ：     None

d = {'Tom':8777,'Jack':8888,'Fly':6666}
for k,v in d.items():
    print(k,v)
for k in d.values():
    print(k)
for k in d.keys():
    print(k)