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pythonlistdictionarynested
Kentron.dna
Kentron.dna

Reputation: 193

Python: make a dict using two list

How can I make using python a dict using two list

list_one_keys = ['key1', 'key2', 'key3', 'key4']

Nested list:

list_two_values = [['a1var1', 'a1var2', 'a1var3', 'a1var4'], ['a2var1', 'a2var2', 'a2var3', 'a2var4']]

desired result a python dict:

thisdict = {
  "dict1"{

  "key1": "a1var1",
  "key2": "a1var2",
  "key3": "a1var3",
  "key4": "a1var4"
},
"dict2":{
  "key1": "a2var1",
  "key2": "a2var2",
  "key3": "a2var3",
  "key4": "a2var4"
}


}

Thank you.

Upvotes: 3

Views: 69

Answers (2)

nonamer92
nonamer92

Reputation: 1917

list_one_keys = ['key1', 'key2', 'key3', 'key4']
list_two_values = [['a1var1', 'a1var2', 'a1var3', 'a1var4'], ['a2var1', 'a2var2', 'a2var3', 'a2var4']]

d = {}
for i, sub_list in enumerate(list_two_values):
    entry_name = "dict" + str(i+ 1)
    for x, y in zip(list_one_keys, sub_list):
        if entry_name not in d:
            d[entry_name] = {}
        d[entry_name].update({x: y})

print(d)

small explanation:

  1. iterate through the list_two_values sub-lists using the enumerate
  2. use zip for parallel iteration over each sub-list(from step 1) and list_one_keys

output:

{'dict1': {'key1': 'a1var1', 'key2': 'a1var2', 'key3': 'a1var3', 'key4': 'a1var4'}, 'dict2': {'key1': 'a2var1', 'key2': 'a2var2', 'key3': 'a2var3', 'key4': 'a2var4'}}

Upvotes: 0

niraj
niraj

Reputation: 18208

You can try something with combination of zip, enumerate, and dict:

result = {'dict{}'.format(index+1):dict(zip(list_one_keys, val)) 
                              for index, val in enumerate(list_two_values)}

Output:

{'dict1': {'key1': 'a1var1',
  'key2': 'a1var2',
  'key3': 'a1var3',
  'key4': 'a1var4'},
 'dict2': {'key1': 'a2var1',
  'key2': 'a2var2',
  'key3': 'a2var3',
  'key4': 'a2var4'}}

Upvotes: 2

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