dict={1:"a",2:"b",3:"c"}
print(dict[1])
for k in dict.keys():
print(k)
# print(dict[k])
for k,v in dict.items():
print(k)
print(v)
如果出现TypeError: 'dict' object is not callable 错误
实行del (dict)
dict={1:"a",2:"b",3:"c"}
dict1={4:"d"}
dict.update(dict1)
print(dict)
dict[1]="aaaa"
print(dict)
r=dict.pop(3)
print(r)
del dict[4]
print(dict)
dict.clear()
print(dict)