python check if list contains all elements of another list
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title: python tutorial – check if list contains all elements of another list
introduction:
in python, checking if one list contains all elements of another list is a common operation. this tutorial will guide you through different methods to achieve this task with clear code examples.
method 1: using all() and in:
the all() function in python returns true if all elements in the given iterable are true. we can combine it with the in keyword to check if all elements of one list are present in another.
method 2: using set():
another approach is to convert both lists to sets and check if the second set is a subset of the first set.
method 3: using collections.counter:
the collections.counter class can be used to count the occurrences of elements in each list and compare the counters.
conclusion:
these methods offer different approaches to checking if one list contains all elements of another list in python. choose the method that best fits your specific requirements and coding style.
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