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Common elementGiven two lists a, b. Check if two lists have at least one element common in them.Constraints:NAExample:Input :1 2 3 4 55 6 7 8 9Output :TrueExplanation:5 is common is 2 lists

Question

Common elementGiven two lists a, b. Check if two lists have at least one element common in them.Constraints:NAExample:Input :1 2 3 4 55 6 7 8 9Output :TrueExplanation:5 is common is 2 lists

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Solution

Here is a step-by-step solution to the problem:

  1. First, we need to define two lists. Let's call them list_a and list_b. For example: list_a = [1, 2, 3, 4, 5] list_b = [5, 6, 7, 8, 9]

  2. Next, we need to check if there is at least one common element in both lists. We can do this by using a for loop to iterate through each element in list_a.

  3. Inside the for loop, we use an if statement to check if the current element in list_a is also in list_b. If it is, we return True and break the loop because we have found a common element. If it is not, we continue to the next element in list_a.

  4. If the for loop completes without finding a common element, we return False because there are no common elements in the two lists.

Here is the Python code that implements these steps:

def has_common_element(list_a, list_b):
    for element in list_a:
        if element in list_b:
            return True
    return False

list_a = [1, 2, 3, 4, 5]
list_b = [5, 6, 7, 8, 9]
print(has_common_element(list_a, list_b))  # prints: True

In this code, the function has_common_element takes two lists as arguments and returns True if they have at least one common element, and False otherwise. The print statement at the end calls this function with list_a and list_b and prints the result.

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