iterate through dictionary keys python code example
Example 1: python iterate dictionary key value
a_dict = {'color': 'blue', 'fruit': 'apple', 'pet': 'dog'}
for key, value in a_dict.items():
print(key, '->', value)
Example 2: python loop through dictionary
new_list = [something(key, value) for key, value in a_dict.items()]
Example 3: loop throughthe key and the values of a dict in python
a_dict = {"color": "blue", "fruit": "apple", "pet": "dog"}
# Will loop through the dict's elements (key, value) WITHOUT ORDER
for key, value in a_dict.items():
print(key, '->', value)
Example 4: python generate dictionary in loop
n = int(input())
ans = {i : i*i for i in range(1,n+1)}
print(ans)
Example 5: python loop through dictionary
d = {'x': 1, 'y': 2, 'z': 3}
for key in d:
print key, 'corresponds to', d[key]
Example 6: loop through the dictionary python
>>> objects = ['blue', 'apple', 'dog']
>>> categories = ['color', 'fruit', 'pet']
>>> a_dict = {key: value for key, value in zip(categories, objects)}
>>> a_dict
{'color': 'blue', 'fruit': 'apple', 'pet': 'dog'}