How to use input() to specify a dictionary in Python

Python – I’m beginner. I want to use input() to call one of possible dictionaries (in my example there are: NN and NN1) and then run functions on that chosen dictionary.
Here is part of my code (I need this "tik = i" later, but now it does not matter):

NN = {"short name1": "full name1", "short name2": "full name2", "short name3": "full name3"}

NN2 = {"short name4": "full name4", "short name5": "full name5", "short name6": "full name6"}

dict1 = input ("your choice: NN / NN1? ")

for i, j in dict1.items(): 

    tik = i 

    print(j)

When I run it, there is:

"for i, j in dict1.items():
AttributeError: ‘str’ object has no attribute ‘items’ "

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Is it possible to use input function or do I need sth?

>Solution :

you need these changes in your code:

inp_dict = {'NN':NN , 'NN1':NN2}
dict1 = input ("your choice: NN / NN1? ")
for i, j in inp_dict[dict1].items():

    tik = i

    print(j)