Question: 
Write a function to merge two dictionaries.


Model's Code:
def merge_dict(dict1, dict2):
    return {**dict2, **dict1}



Sample Correct Code:
def merge_dict(d1,d2):
 d = d1.copy()
 d.update(d2)
 return d


Asserts:
assert merge_dict({'a': 100, 'b': 200},{'x': 300, 'y': 200})=={'x': 300, 'y': 200, 'a': 100, 'b': 200}
assert merge_dict({'a':900,'b':900,'d':900},{'a':900,'b':900,'d':900})=={'a':900,'b':900,'d':900,'a':900,'b':900,'d':900}
assert merge_dict({'a':10,'b':20},{'x':30,'y':40})=={'x':30,'y':40,'a':10,'b':20}


Tests:
Test 1 of 3: PASS
Test 2 of 3: PASS
Test 3 of 3: PASS

Test 263 of 974: 188/263 (71.48288973384031%): success