from itertools import chain
language1 = {'python': 13, 'php': 50, 'java': 6}
language2 = {'c++': 2, 'c#': 87, 'javascript': 52}
new_dic = dict(chain(language1.items(), language2.items()))
print(new_dic)
'''
run:
{'javascript': 52, 'php': 50, 'c++': 2, 'python': 13, 'java': 6, 'c#': 87}
'''