How can I get dictionary key as variable directly in Python not by searching from value

Question

Sorry for this basic question but my searches on this are not turning up anything other than how to get a dictionary s key based on its value which I would prefer not to use as I simply want the text name of the key and am worried that searching by value may end up returning 2 or more keys if the dictionary has a lot of entries    what I am trying to do is this   mydictionary   keyname   somevalue   for current in mydictionary      result   mydictionary  some function to get key name  current     print result     keyname    The reason for this is that I am printing these out to a document and I want to use the key name and the value in doing this  I have seen the method below but this seems to just return the key s value  get key   default

User · Answer

As simple as that   mydictionary   keyname   somevalue   result   mydictionary popitem   0    You will modify your dictionary and should make a copy of it first

User · Answer

If the dictionary contains one pair like this   d     age  24    then you can get as   field  value   d items   0    For Python 3 5  do this   key   list d keys    0

User · Answer

If you want to access both the key and value  use the following  Python 2  for key  value in my dict iteritems        print key  value   Python 3  for key  value in my dict items        print key  value

User · Answer

You can do this by casting the dict keys and values to list   It can also be be done for items   Example   f     one    police    two    oranges    three    car   list f keys    0     one  list f keys    1     two   list f values    0     police  list f values    1     oranges

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if you just need to get a key-value from a simple dictionary like e g  os type     ubuntu    20 04    use popitem   method  os  version   os type popitem   print os     ubuntu  print version     20 04

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What I sometimes do is I create another dictionary just to be able whatever I feel I need to access as string  Then I iterate over multiple dictionaries matching keys to build e g  a table with first column as description   dict names     key1    Text 1    key2    Text 2   dict values     key1   0   key2   1    for key  value in dict names items        print   0   1   format dict names key   dict values key     You can easily do for a huge amount of dictionaries to match data  I like the fact that with dictionary you can always refer to something well known as the key name    yes I use dictionaries to store results of functions so I don t need to run these functions everytime I call them just only once and then access the results anytime    EDIT  in my example the key name does not really matter  I personally like using the same key names as it is easier to go pick a single value from any of my matching dictionaries   just make sure the number of keys in each dictionary is the same

User · Answer

You should iterate over keys with   for key in mydictionary     print  key   s   value   s     key  mydictionary key

User · Answer

You could simply use   which unpacks the dictionary keys  Example   d     x   1   y   2  t     d   print t      x    y

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This code below is to create map to manager players point  The goal is to concatenate the word  quot player quot  with a sequential number  players numbers   int input  How many girls will play       First - input receive a input about how many people will play  players        counter   1  for   in range players numbers    sum one  for the loop reach the correct number     player dict    f player counter    0   concatenate the word player with the player number  the initial point is 0      players update player dict   update the dictionary with every player     counter   counter   1     print players   Output  gt  gt  gt    player1   0   player2   0   player3   0

User · Answer

Iterate over dictionary  i  will return the key  then using it  i  to get the value  for i in D      print  key   s  value   s     i  D i

User · Answer

For python 3 If you want to get only the keys use this  Replace print key  with print values  if you want the values   for key value in my dict    print key

User · Answer

The reason for this is that I am printing these out to a document and I want to use the key name and the value in doing this   Based on the above requirement this is what I would suggest   keys   mydictionary keys   keys sort    for each in keys      print   s   s     each  mydictionary get each

User · Answer

keys  i for i in mydictionary keys    or keys   list mydictionary keys

User · Answer

easily change the position of your keys and values then use values to get key  in dictionary keys can have same value but they keys  should be different  for instance if you have a list and the first value of it is a key for your problem and other values are the specs of the first value   list1   Name   ID 13736   Phone 1313   Dep pyhton     you can  save and use the data easily in Dictionary by this loop   data dict    for i in range 1  len list1         data dict list1 i   list1 0  print data dict    ID 13736    Name    Phone 1313    Name    Dep pyhton    Name     then you can find the key name  base on any input value

[python] How can I get dictionary key as variable directly in Python (not by searching from value)?

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