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