Flatten Nested List Function

This function flattens a nested list into a single list, which means it expands all nested lists into a single list.

Technology Stack : list comprehension, recursion, isinstance(), extend(), append()

Code Type : Recursive function

Code Difficulty : Intermediate

                
                    
def flatten(nested_list):
    flat_list = []
    for item in nested_list:
        if isinstance(item, list):
            flat_list.extend(flatten(item))
        else:
            flat_list.append(item)
    return flat_list