'''
    字典基础操作
'''

# 字典声明
dict1 = {'a':"A",'b':"B",'c':"C",'d':"D",'e':"E"}
print(dict1)

# 删除指定key
del dict1['a']
print(dict1)

# 清空字典
#dict1.clear()
#print(dict1)

# 删除字典
#del dict1

# 遍历
# key
for key in dict1.keys():
    print(key)
# value
for val in dict1.values():
    print(val)
# key value
for (key,val) in dict1.items():
    print(key,'=>',val)