python dictionary append and iteration code example
Example 1: how to append to a dictionary in python
d = {'a': 1, 'b': 2}
print(d)
d['a'] = 100 # existing key, so overwrite
d['c'] = 3 # new key, so add
d['d'] = 4
print(d)
Example 2: append dictionary python
>>> d1 = {1: 1, 2: 2}
>>> d2 = {2: 'ha!', 3: 3}
>>> d1.update(d2)
>>> d1
{1: 1, 2: 'ha!', 3: 3}