Python Compare two dictionaries

compareDicts.py

def compareDicts(d1, d2):
    differences = []

    # present in d1 but not in d2
    for key, value in ({k: d1[k] for k in set(d1) - set(d2)}).iteritems():
        temp = list[[key, value], None]
        differences.append(temp)

    # present in d2 but not in d1
    diff2 = {k: d2[k] for k in set(d2) - set(d1)}
    for key, value in (diff2).iteritems():
        temp = [None, [key, value]]
        differences.append(temp)

    # updated from d1 to d2
    updatedKeys = [item for item in list(set(d1.keys()) & set(d2.keys())) if d1.get(item) != d2.get(item)]

    for key in updatedKeys:
        temp = [[key, d1.get(key)],[key, d2.get(key)]]
        differences.append(temp)
    
    return differences
pass