Python数据结构-字典

tel={'jack':101,'tom':102}
tel['sunny']=103
print(tel)

print(tel['tom'])

del tel['tom']
print(tel)

print(tel.keys())

{'jack': 101, 'tom': 102, 'sunny': 103}
102
{'jack': 101, 'sunny': 103}
dict_keys(['jack', 'sunny'])