# merge two dictionaries
# merge two dictionaries
a = {'apple':1, 'melon': 4}
b = {'apple': 2, 'orange': 2,'banana':3}
merge_dic = {**a, **b}
print(merge_dic) # {'apple': 2, 'melon': 4, 'orange': 2, 'banana': 3}
#Python 3.9:
# a|b