Understanding Dictionary and Dictionary construct

-6

I'm just started into the python learning and trying to understand the different construct of dictionary while going through dictionary reading i know it has key and Values format but i have few doubts to understand.

I have Below two dictionary called d1 and d2

>>> d1

{'A': 'one', 'B': 'two', 'C': 'three'}

>>> type(d1)

<class 'dict'>

In the above sample i see proper dictionary key and value format and while looking at type it says class dict

>>> d2

{'A': ['B', 'C']}

>>> type(d2)

<class 'dict'>

While the above sample i see dictionary key is okay but values are in list format and while looking at type it also says class dict

So, How could i process the d2 into a proper dictionary format key and value. saying that i want to process d2 so it looks like as d1 then how could that be achieved.

Apologies if something i could not make clear.

edited Nov 23 '18 at 7:14

asked Nov 23 '18 at 7:08

kulfi

133

They are both "proper" dictionaries. The type of a dictionary variable tells you nothing about the type of the values. If you'd like to see what the type of the values are, simply do something like type(next(iter(d2.values()))) (or just index the dictionary with a key that you know). What do you want to get as output? I don't understand at all what you're asking to do.
– Alexander Reynolds
Nov 23 '18 at 7:11

@AlexanderReynolds, i tried that it does not work and says TypeError: 'dict_values' object is not an iterator
– kulfi
Nov 23 '18 at 7:13

Yes, I edited the comment as I realized I left out part of it.
– Alexander Reynolds
Nov 23 '18 at 7:13

@AlexanderReynolds, thnx for edit, i have edited my question just to make it more claer as i could.
– kulfi
Nov 23 '18 at 7:16

add a comment |

-6

I have Below two dictionary called d1 and d2

>>> d1

{'A': 'one', 'B': 'two', 'C': 'three'}

>>> type(d1)

<class 'dict'>

In the above sample i see proper dictionary key and value format and while looking at type it says class dict

>>> d2

{'A': ['B', 'C']}

>>> type(d2)

<class 'dict'>

While the above sample i see dictionary key is okay but values are in list format and while looking at type it also says class dict

So, How could i process the d2 into a proper dictionary format key and value. saying that i want to process d2 so it looks like as d1 then how could that be achieved.

Apologies if something i could not make clear.

edited Nov 23 '18 at 7:14

asked Nov 23 '18 at 7:08

kulfi

133

They are both "proper" dictionaries. The type of a dictionary variable tells you nothing about the type of the values. If you'd like to see what the type of the values are, simply do something like type(next(iter(d2.values()))) (or just index the dictionary with a key that you know). What do you want to get as output? I don't understand at all what you're asking to do.
– Alexander Reynolds
Nov 23 '18 at 7:11

@AlexanderReynolds, i tried that it does not work and says TypeError: 'dict_values' object is not an iterator
– kulfi
Nov 23 '18 at 7:13

Yes, I edited the comment as I realized I left out part of it.
– Alexander Reynolds
Nov 23 '18 at 7:13

@AlexanderReynolds, thnx for edit, i have edited my question just to make it more claer as i could.
– kulfi
Nov 23 '18 at 7:16

add a comment |

-6

I have Below two dictionary called d1 and d2

>>> d1

{'A': 'one', 'B': 'two', 'C': 'three'}

>>> type(d1)

<class 'dict'>

In the above sample i see proper dictionary key and value format and while looking at type it says class dict

>>> d2

{'A': ['B', 'C']}

>>> type(d2)

<class 'dict'>

While the above sample i see dictionary key is okay but values are in list format and while looking at type it also says class dict

So, How could i process the d2 into a proper dictionary format key and value. saying that i want to process d2 so it looks like as d1 then how could that be achieved.

Apologies if something i could not make clear.

edited Nov 23 '18 at 7:14

asked Nov 23 '18 at 7:08

kulfi

133

I have Below two dictionary called d1 and d2

>>> d1

{'A': 'one', 'B': 'two', 'C': 'three'}

>>> type(d1)

<class 'dict'>

In the above sample i see proper dictionary key and value format and while looking at type it says class dict

>>> d2

{'A': ['B', 'C']}

>>> type(d2)

<class 'dict'>

While the above sample i see dictionary key is okay but values are in list format and while looking at type it also says class dict

So, How could i process the d2 into a proper dictionary format key and value. saying that i want to process d2 so it looks like as d1 then how could that be achieved.

Apologies if something i could not make clear.

python dictionary

edited Nov 23 '18 at 7:14

asked Nov 23 '18 at 7:08

kulfi

133

edited Nov 23 '18 at 7:14

asked Nov 23 '18 at 7:08

kulfi

133

edited Nov 23 '18 at 7:14

asked Nov 23 '18 at 7:08

kulfi

133

asked Nov 23 '18 at 7:08

kulfi

133

asked Nov 23 '18 at 7:08

kulfi

133

They are both "proper" dictionaries. The type of a dictionary variable tells you nothing about the type of the values. If you'd like to see what the type of the values are, simply do something like type(next(iter(d2.values()))) (or just index the dictionary with a key that you know). What do you want to get as output? I don't understand at all what you're asking to do.
– Alexander Reynolds
Nov 23 '18 at 7:11

@AlexanderReynolds, i tried that it does not work and says TypeError: 'dict_values' object is not an iterator
– kulfi
Nov 23 '18 at 7:13

Yes, I edited the comment as I realized I left out part of it.
– Alexander Reynolds
Nov 23 '18 at 7:13

@AlexanderReynolds, thnx for edit, i have edited my question just to make it more claer as i could.
– kulfi
Nov 23 '18 at 7:16

add a comment |

They are both "proper" dictionaries. The type of a dictionary variable tells you nothing about the type of the values. If you'd like to see what the type of the values are, simply do something like type(next(iter(d2.values()))) (or just index the dictionary with a key that you know). What do you want to get as output? I don't understand at all what you're asking to do.
– Alexander Reynolds
Nov 23 '18 at 7:11

@AlexanderReynolds, i tried that it does not work and says TypeError: 'dict_values' object is not an iterator
– kulfi
Nov 23 '18 at 7:13

Yes, I edited the comment as I realized I left out part of it.
– Alexander Reynolds
Nov 23 '18 at 7:13

@AlexanderReynolds, thnx for edit, i have edited my question just to make it more claer as i could.
– kulfi
Nov 23 '18 at 7:16

They are both "proper" dictionaries. The type of a dictionary variable tells you nothing about the type of the values. If you'd like to see what the type of the values are, simply do something like type(next(iter(d2.values()))) (or just index the dictionary with a key that you know). What do you want to get as output? I don't understand at all what you're asking to do.
– Alexander Reynolds
Nov 23 '18 at 7:11

@AlexanderReynolds, i tried that it does not work and says TypeError: 'dict_values' object is not an iterator
– kulfi
Nov 23 '18 at 7:13

Yes, I edited the comment as I realized I left out part of it.
– Alexander Reynolds
Nov 23 '18 at 7:13

@AlexanderReynolds, thnx for edit, i have edited my question just to make it more claer as i could.
– kulfi
Nov 23 '18 at 7:16

add a comment |

2 Answers
2

active

oldest

votes

In Python Dictionary are an unordered set of key: value pairs.

Keys are unique within a dictionary while values may not be. The values of a dictionary can be of any type, but the keys must be of an immutable data type such as strings, numbers, or tuples.

so you can store any type of object in value.

in first example you are storing string in value.
In second example you are storing list in value.

you can access the key value pair using below code.

d1 = {'A': 'one', 'B': 'two', 'C': 'three'}

d2 = {'A' : ['B', 'C'], 'D':['E','F']}



for k,v in d1.items():

    print("key = {} value = {}".format(k,v))





for k,v in d2.items():

    print("key = {} value = {}".format(k,v))

Output:

key = A value = one

key = B value = two

key = C value = three

key = A value = ['B', 'C']

key = D value = ['E', 'F']

edited Nov 28 '18 at 6:05

answered Nov 23 '18 at 7:39

Sach

628417

Sach, thnx for your answer , can i get the d2 as {'A': 'B', 'A': 'C'}
– kulfi
Nov 23 '18 at 8:07

No, as I mentioned the key should be unique within dictionary so you can not have two value associated with same key.
– Sach
Nov 23 '18 at 8:12

But it can be converted reverse way like {Val:key for key, Value in d2.items() for Val in Value} just i see
– kulfi
Nov 23 '18 at 8:51

add a comment |

In Python 3, you can just use .items() function over the d2 dictionary as follows:

>>> for key, value in d2.items():

...     print(f"{key} : {value}")

Try using the n2w python library to convert the number to words and flatten the dictionary to get the desired output.

edited Nov 23 '18 at 7:28

answered Nov 23 '18 at 7:16

Kunal Mukherjee

1,1791723

add a comment |

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2 Answers
2

active

oldest

votes

2 Answers
2

active

oldest

votes

In Python Dictionary are an unordered set of key: value pairs.

Keys are unique within a dictionary while values may not be. The values of a dictionary can be of any type, but the keys must be of an immutable data type such as strings, numbers, or tuples.

so you can store any type of object in value.

in first example you are storing string in value.
In second example you are storing list in value.

you can access the key value pair using below code.

d1 = {'A': 'one', 'B': 'two', 'C': 'three'}

d2 = {'A' : ['B', 'C'], 'D':['E','F']}



for k,v in d1.items():

    print("key = {} value = {}".format(k,v))





for k,v in d2.items():

    print("key = {} value = {}".format(k,v))

Output:

key = A value = one

key = B value = two

key = C value = three

key = A value = ['B', 'C']

key = D value = ['E', 'F']

edited Nov 28 '18 at 6:05

answered Nov 23 '18 at 7:39

Sach

628417

Sach, thnx for your answer , can i get the d2 as {'A': 'B', 'A': 'C'}
– kulfi
Nov 23 '18 at 8:07

No, as I mentioned the key should be unique within dictionary so you can not have two value associated with same key.
– Sach
Nov 23 '18 at 8:12

But it can be converted reverse way like {Val:key for key, Value in d2.items() for Val in Value} just i see
– kulfi
Nov 23 '18 at 8:51

add a comment |

In Python Dictionary are an unordered set of key: value pairs.

Keys are unique within a dictionary while values may not be. The values of a dictionary can be of any type, but the keys must be of an immutable data type such as strings, numbers, or tuples.

so you can store any type of object in value.

in first example you are storing string in value.
In second example you are storing list in value.

you can access the key value pair using below code.

d1 = {'A': 'one', 'B': 'two', 'C': 'three'}

d2 = {'A' : ['B', 'C'], 'D':['E','F']}



for k,v in d1.items():

    print("key = {} value = {}".format(k,v))





for k,v in d2.items():

    print("key = {} value = {}".format(k,v))

Output:

key = A value = one

key = B value = two

key = C value = three

key = A value = ['B', 'C']

key = D value = ['E', 'F']

edited Nov 28 '18 at 6:05

answered Nov 23 '18 at 7:39

Sach

628417

Sach, thnx for your answer , can i get the d2 as {'A': 'B', 'A': 'C'}
– kulfi
Nov 23 '18 at 8:07

No, as I mentioned the key should be unique within dictionary so you can not have two value associated with same key.
– Sach
Nov 23 '18 at 8:12

But it can be converted reverse way like {Val:key for key, Value in d2.items() for Val in Value} just i see
– kulfi
Nov 23 '18 at 8:51

add a comment |

In Python Dictionary are an unordered set of key: value pairs.

Keys are unique within a dictionary while values may not be. The values of a dictionary can be of any type, but the keys must be of an immutable data type such as strings, numbers, or tuples.

so you can store any type of object in value.

in first example you are storing string in value.
In second example you are storing list in value.

you can access the key value pair using below code.

d1 = {'A': 'one', 'B': 'two', 'C': 'three'}

d2 = {'A' : ['B', 'C'], 'D':['E','F']}



for k,v in d1.items():

    print("key = {} value = {}".format(k,v))





for k,v in d2.items():

    print("key = {} value = {}".format(k,v))

Output:

key = A value = one

key = B value = two

key = C value = three

key = A value = ['B', 'C']

key = D value = ['E', 'F']

edited Nov 28 '18 at 6:05

answered Nov 23 '18 at 7:39

Sach

628417

In Python Dictionary are an unordered set of key: value pairs.

Keys are unique within a dictionary while values may not be. The values of a dictionary can be of any type, but the keys must be of an immutable data type such as strings, numbers, or tuples.

so you can store any type of object in value.

in first example you are storing string in value.
In second example you are storing list in value.

you can access the key value pair using below code.

d1 = {'A': 'one', 'B': 'two', 'C': 'three'}

d2 = {'A' : ['B', 'C'], 'D':['E','F']}



for k,v in d1.items():

    print("key = {} value = {}".format(k,v))





for k,v in d2.items():

    print("key = {} value = {}".format(k,v))

Output:

key = A value = one

key = B value = two

key = C value = three

key = A value = ['B', 'C']

key = D value = ['E', 'F']

edited Nov 28 '18 at 6:05

answered Nov 23 '18 at 7:39

Sach

628417

edited Nov 28 '18 at 6:05

answered Nov 23 '18 at 7:39

Sach

628417

answered Nov 23 '18 at 7:39

Sach

628417

answered Nov 23 '18 at 7:39

Sach

628417

Sach, thnx for your answer , can i get the d2 as {'A': 'B', 'A': 'C'}
– kulfi
Nov 23 '18 at 8:07

No, as I mentioned the key should be unique within dictionary so you can not have two value associated with same key.
– Sach
Nov 23 '18 at 8:12

But it can be converted reverse way like {Val:key for key, Value in d2.items() for Val in Value} just i see
– kulfi
Nov 23 '18 at 8:51

add a comment |

Sach, thnx for your answer , can i get the d2 as {'A': 'B', 'A': 'C'}
– kulfi
Nov 23 '18 at 8:07

No, as I mentioned the key should be unique within dictionary so you can not have two value associated with same key.
– Sach
Nov 23 '18 at 8:12

But it can be converted reverse way like {Val:key for key, Value in d2.items() for Val in Value} just i see
– kulfi
Nov 23 '18 at 8:51

Sach, thnx for your answer , can i get the d2 as {'A': 'B', 'A': 'C'}
– kulfi
Nov 23 '18 at 8:07

No, as I mentioned the key should be unique within dictionary so you can not have two value associated with same key.
– Sach
Nov 23 '18 at 8:12

But it can be converted reverse way like {Val:key for key, Value in d2.items() for Val in Value} just i see
– kulfi
Nov 23 '18 at 8:51

add a comment |

In Python 3, you can just use .items() function over the d2 dictionary as follows:

>>> for key, value in d2.items():

...     print(f"{key} : {value}")

Try using the n2w python library to convert the number to words and flatten the dictionary to get the desired output.

edited Nov 23 '18 at 7:28

answered Nov 23 '18 at 7:16

Kunal Mukherjee

1,1791723

add a comment |

In Python 3, you can just use .items() function over the d2 dictionary as follows:

>>> for key, value in d2.items():

...     print(f"{key} : {value}")

Try using the n2w python library to convert the number to words and flatten the dictionary to get the desired output.

edited Nov 23 '18 at 7:28

answered Nov 23 '18 at 7:16

Kunal Mukherjee

1,1791723

add a comment |

In Python 3, you can just use .items() function over the d2 dictionary as follows:

>>> for key, value in d2.items():

...     print(f"{key} : {value}")

Try using the n2w python library to convert the number to words and flatten the dictionary to get the desired output.

edited Nov 23 '18 at 7:28

answered Nov 23 '18 at 7:16

Kunal Mukherjee

1,1791723

In Python 3, you can just use .items() function over the d2 dictionary as follows:

>>> for key, value in d2.items():

...     print(f"{key} : {value}")

Try using the n2w python library to convert the number to words and flatten the dictionary to get the desired output.

edited Nov 23 '18 at 7:28

answered Nov 23 '18 at 7:16

Kunal Mukherjee

1,1791723

edited Nov 23 '18 at 7:28

answered Nov 23 '18 at 7:16

Kunal Mukherjee

1,1791723

answered Nov 23 '18 at 7:16

Kunal Mukherjee

1,1791723

answered Nov 23 '18 at 7:16

Kunal Mukherjee

1,1791723

add a comment |

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