WebNov 1, 2024 · If you have to lists and want to put them in the dict do the following a = [1, 2, 3, 4] b = [5, 6, 7, 8] lists = [a, b] # or directly -> lists = [ [1, 2, 3, 4], [5, 6, 7, 8] ] new_dict = {} for idx, sublist in enumerate ( [a, b]): # or enumerate (lists) new_dict [idx] = sublist hope it helps Share Improve this answer Follow WebJan 4, 2024 · Create a dictionary from two lists in a one-liner. d = {} for l, nums in zip (lst1, lst2): for num in nums: d [num] = l. ValueError: dictionary update sequence element #1 has length 1; 2 is required. I think the issue is the lst2 is a list of lists but I just don't know how to proceed.
How to get specific values from a list of values in a dictionary and ...
WebApr 10, 2024 · Another method to convert two lists into a dictionary is by using dictionary comprehension. A dictionary comprehension is a concise and more pythonic way to create a new dictionary from an iterable by specifying how the keys and values should be mapped to each other. See the following example. http://duoduokou.com/python/50837260110292808475.html crysler ebay
Python: Create Dictionary From Two Lists • datagy
WebApr 12, 2014 · How I can create dictionary with this lists with next condition: if count of keys more than values- dict [key]=None. If count of values more-just inore it. My code: list1= [1,2,3,4] list2= ["qwe","asd","zxc"] dictx= {} for x in range (len (list1)): if x>len (list2): dictx [list1 [x]]=None else: dictx [list1 [x]]=list2 [x] WebAug 5, 2015 · The last two things are basically the thing you need to know about the difference between dict.keys and list (dictionary) in python 3. dict.keys is just a view of the keys, so checking item in dictionary.keys () is O (1), but you can't iterate over dictionary.keys () and modify the dictionary at the same time. WebJun 17, 2015 · 2 Answers. A common way to create a dictionary from two lists is zipping. The zip built in takes two lists and creates a list of pairs from them. In turn, a list of pairs can be used to create a dictionary directly. Your case has an extra twist: we need to pad the list of values to the same length as the list of keys, otherwise the keys with no ... crysler cirrrus 1999 oil filter