How to convert a list into a dictionary in Python
To convert a list to a dictionary in Python, you can use the built-in dict() function or a dictionary comprehension. Here are two ways to do it:
Method 1: Using the dict() function
# List of tuples (key-value pairs)
my_list = [('a', 1), ('b', 2), ('c', 3)]
# Convert list to dictionary
my_dict = dict(my_list)
# Print the dictionary
print(my_dict)
Output:
{'a': 1, 'b': 2, 'c': 3}
Method 2: Using a dictionary comprehension
# List of dictionaries
my_list = [{'a': 1}, {'b': 2}, {'c': 3}]
# Convert list to dictionary
my_dict = {k: v for d in my_list for k, v in d.items()}
# Print the dictionary
print(my_dict)
Output:
{'a': 1, 'b': 2, 'c': 3}
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In both methods, we first define a list and then convert it to a dictionary using either the dict() function or a dictionary comprehension. The resulting dictionary contains the same data as the original list, with each list item being represented as a key-value pair in the dictionary.
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