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How do I unpack the values of a tuple in a dictionary comprehension without creating any new variables? [duplicate]

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1

This question already has an answer here:

• 
  python tuple to dict
  
  6 answers
  
  

I have a tuple that contains multiple sub tuples, with a fixed length of two and each sub tuple has two string values.

NOTE: The length and value type of these sub tuples never change.

I'd like to use the sub tuples in a dictionary-comprehension, like this:

sub_tuple for sub_tuple in main_tuple

The problem is, I get:

(w, x), (y, z)

Instead of:

w: x, y: z

How can I get this to work without creating any additional variables?

For example, how do I avoid doing something like this:

x = 
for sub_tuple in main_tuple:
 x[sub_tuple[0]] = sub_tuple[1]
# do whatever with x...

python python-3.x dictionary tuples dictionary-comprehension

share|improve this question

edited Apr 22 at 11:07

piet.t

10.2k73246

asked Mar 23 at 13:19

LogicalBranchLogicalBranch

1,9001637

marked as duplicate by Patrick Artner python
Users with the  python badge can single-handedly close python questions as duplicates and reopen them as needed.

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Mar 23 at 13:28

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  The dupe "reverses" the order - but you should be able to derive your solution from it as well. Those answers duplicate the ones give here "with an added twist".
  
  – Patrick Artner
  Mar 23 at 13:29
  

  
  
  
  

add a comment | 

1

This question already has an answer here:

• 
  python tuple to dict
  
  6 answers
  
  

I have a tuple that contains multiple sub tuples, with a fixed length of two and each sub tuple has two string values.

NOTE: The length and value type of these sub tuples never change.

I'd like to use the sub tuples in a dictionary-comprehension, like this:

sub_tuple for sub_tuple in main_tuple

The problem is, I get:

(w, x), (y, z)

Instead of:

w: x, y: z

How can I get this to work without creating any additional variables?

For example, how do I avoid doing something like this:

x = 
for sub_tuple in main_tuple:
 x[sub_tuple[0]] = sub_tuple[1]
# do whatever with x...

python python-3.x dictionary tuples dictionary-comprehension

share|improve this question

edited Apr 22 at 11:07

piet.t

10.2k73246

asked Mar 23 at 13:19

LogicalBranchLogicalBranch

1,9001637

marked as duplicate by Patrick Artner python
Users with the  python badge can single-handedly close python questions as duplicates and reopen them as needed.

StackExchange.ready(function()
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Mar 23 at 13:28

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  The dupe "reverses" the order - but you should be able to derive your solution from it as well. Those answers duplicate the ones give here "with an added twist".
  
  – Patrick Artner
  Mar 23 at 13:29
  

  
  
  
  

add a comment | 

This question already has an answer here:

• 
  python tuple to dict
  
  6 answers
  
  

I have a tuple that contains multiple sub tuples, with a fixed length of two and each sub tuple has two string values.

NOTE: The length and value type of these sub tuples never change.

I'd like to use the sub tuples in a dictionary-comprehension, like this:

sub_tuple for sub_tuple in main_tuple

The problem is, I get:

(w, x), (y, z)

Instead of:

w: x, y: z

How can I get this to work without creating any additional variables?

For example, how do I avoid doing something like this:

x = 
for sub_tuple in main_tuple:
 x[sub_tuple[0]] = sub_tuple[1]
# do whatever with x...

python python-3.x dictionary tuples dictionary-comprehension

share|improve this question

edited Apr 22 at 11:07

piet.t

10.2k73246

asked Mar 23 at 13:19

LogicalBranchLogicalBranch

1,9001637

sub_tuple for sub_tuple in main_tuple

(w, x), (y, z)

w: x, y: z

x = 
for sub_tuple in main_tuple:
 x[sub_tuple[0]] = sub_tuple[1]
# do whatever with x...

share|improve this question

edited Apr 22 at 11:07

piet.t

10.2k73246

asked Mar 23 at 13:19

LogicalBranchLogicalBranch

1,9001637

share|improve this question

edited Apr 22 at 11:07

piet.t

10.2k73246

asked Mar 23 at 13:19

LogicalBranchLogicalBranch

1,9001637

edited Apr 22 at 11:07

piet.t

10.2k73246

edited Apr 22 at 11:07

piet.t

10.2k73246

asked Mar 23 at 13:19

LogicalBranchLogicalBranch

1,9001637

asked Mar 23 at 13:19

LogicalBranchLogicalBranch

1,9001637

2 Answers
2

active

oldest

votes

3

You should be able to do:

x = 
 key: value
 for key, value in main_tuple

Even simpler, you could do x = dict(main_tuple)

share|improve this answer

answered Mar 23 at 13:21

schillingtschillingt

6,30511824

add a comment | 

3

You can use the dict constructor instead:

dict(main_tuple)

share|improve this answer

answered Mar 23 at 13:22

blhsingblhsing

46.4k51747

add a comment | 

3

You should be able to do:

x = 
 key: value
 for key, value in main_tuple

Even simpler, you could do x = dict(main_tuple)

share|improve this answer

answered Mar 23 at 13:21

schillingtschillingt

6,30511824

add a comment | 

3

You should be able to do:

x = 
 key: value
 for key, value in main_tuple

Even simpler, you could do x = dict(main_tuple)

share|improve this answer

answered Mar 23 at 13:21

schillingtschillingt

6,30511824

add a comment | 

You should be able to do:

x = 
 key: value
 for key, value in main_tuple

Even simpler, you could do x = dict(main_tuple)

share|improve this answer

answered Mar 23 at 13:21

schillingtschillingt

6,30511824

x = 
 key: value
 for key, value in main_tuple

share|improve this answer

answered Mar 23 at 13:21

schillingtschillingt

6,30511824

answered Mar 23 at 13:21

schillingtschillingt

6,30511824

answered Mar 23 at 13:21

schillingtschillingt

6,30511824

3

You can use the dict constructor instead:

dict(main_tuple)

share|improve this answer

answered Mar 23 at 13:22

blhsingblhsing

46.4k51747

add a comment | 

3

You can use the dict constructor instead:

dict(main_tuple)

share|improve this answer

answered Mar 23 at 13:22

blhsingblhsing

46.4k51747

add a comment | 

You can use the dict constructor instead:

dict(main_tuple)

share|improve this answer

answered Mar 23 at 13:22

blhsingblhsing

46.4k51747

dict(main_tuple)

share|improve this answer

answered Mar 23 at 13:22

blhsingblhsing

46.4k51747

answered Mar 23 at 13:22

blhsingblhsing

46.4k51747

answered Mar 23 at 13:22

blhsingblhsing

46.4k51747