Python join dict

Python merge dictionaries

dict1 = {'color': 'blue', 'shape': 'square'}
dict2 = {'color': 'red', 'edges': 4}

dict1.update(dict2) #if a key exists in both, it takes the value of the second dict
# dict1 = {'color': 'red', 'shape': 'square', 'edges': 4}
# dict2 is left unchanged

Python join dict

dict.update([other])

Source: thispointer.com

Python merge dictionaries

# Python >= 3.5:
def merge_dictionaries(a, b):
   return {**a, **b}
  
# else:
def merge_dictionaries(a, b):
    c = a.copy()   # make a copy of a 
    c.update(b)    # modify keys and values of a with the b ones
    return c

a = { 'x': 1, 'y': 2}
b = { 'y': 3, 'z': 4}
print(merge_dictionaries(a, b)) 		# {'y': 3, 'x': 1, 'z': 4}

Python join dict

def mergeDict(dict1, dict2):
   ''' Merge dictionaries and keep values of common keys in list'''
   dict3 = {**dict1, **dict2}
   for key, value in dict3.items():
       if key in dict1 and key in dict2:
               dict3[key] = [value , dict1[key]]
 
   return dict3
 
# Merge dictionaries and add values of common keys in a list
dict3 = mergeDict(dict1, dict2)
 
print('Dictionary 3 :')
print(dict3)

Source: thispointer.com

Similar codes

0 vote163 views3 answers
Morphological filter example python
Python
0 vote193 views1 answer
Pass context data with templateview in django
Python
0 vote246 views2 answers
Django pagination class based views
Python Django
8 votes209 views1 answer
Python how to check if a dictionary key exists
Python
1 vote225 views1 answer
Implicit conversion in python example
Python
6 votes213 views1 answer
Find and replace string dataframe
Python
0 vote214 views1 answer
Disctionary to Array
Python
38 votes195 views4 answers
Pandas insert row
Python
0 vote215 views1 answer
Pandas dataframe any along row
Python
3 votes192 views3 answers
How to delete whole list in python
Python