python join dict

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showing results for - "python join dict"
Gael
09 Feb 2018
1dict.update([other])
2
Maximiliano
06 Apr 2017
1dict1 = {'color': 'blue', 'shape': 'square'}
2dict2 = {'color': 'red', 'edges': 4}
3
4dict1.update(dict2) #if a key exists in both, it takes the value of the second dict
5# dict1 = {'color': 'red', 'shape': 'square', 'edges': 4}
6# dict2 is left unchanged
Paolo
16 Oct 2018
1# Python >= 3.5:
2def merge_dictionaries(a, b):
3   return {**a, **b}
4  
5# else:
6def merge_dictionaries(a, b):
7    c = a.copy()   # make a copy of a 
8    c.update(b)    # modify keys and values of a with the b ones
9    return c
10
11a = { 'x': 1, 'y': 2}
12b = { 'y': 3, 'z': 4}
13print(merge_dictionaries(a, b)) 		# {'y': 3, 'x': 1, 'z': 4}
María Alejandra
15 Mar 2016
1def mergeDict(dict1, dict2):
2   ''' Merge dictionaries and keep values of common keys in list'''
3   dict3 = {**dict1, **dict2}
4   for key, value in dict3.items():
5       if key in dict1 and key in dict2:
6               dict3[key] = [value , dict1[key]]
7 
8   return dict3
9 
10# Merge dictionaries and add values of common keys in a list
11dict3 = mergeDict(dict1, dict2)
12 
13print('Dictionary 3 :')
14print(dict3)
15
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