Here is a step-by-step solution in Python:

Step 1: Define the two lists.
```python
a = [1, 2, 3, 4, 5]
b = [5, 6, 7, 8, 9]
```

Step 2: Use the built-in Python function `set()` to convert the lists into sets. Sets in Python are unordered collections of unique elements. Converting the lists to sets will remove any duplicate elements.
```python
set_a = set(a)
set_b = set(b)
```

Step 3: Use the `intersection()` method, which returns a set that contains the similarity between two or more sets. If the length of the intersection is greater than 0, it means that there is at least one common element between the two lists.
```python
common_elements = set_a.intersection(set_b)
```

Step 4: Check if the length of `common_elements` is greater than 0. If it is, return `True`. Otherwise, return `False`.
```python
if len(common_elements) 0:
print(True)
else:
print(False)
```

When you run this code with the given lists, it will print `True` because the number 5 is a common element in both lists.

Question

Here is a step-by-step solution in Python:

Step 1: Define the two lists.
```python
a = [1, 2, 3, 4, 5]
b = [5, 6, 7, 8, 9]
```

Step 2: Use the built-in Python function `set()` to convert the lists into sets. Sets in Python are unordered collections of unique elements. Converting the lists to sets will remove any duplicate elements.
```python
set_a = set(a)
set_b = set(b)
```

Step 3: Use the `intersection()` method, which returns a set that contains the similarity between two or more sets. If the length of the intersection is greater than 0, it means that there is at least one common element between the two lists.
```python
common_elements = set_a.intersection(set_b)
```

Step 4: Check if the length of `common_elements` is greater than 0. If it is, return `True`. Otherwise, return `False`.
```python
if len(common_elements) > 0:
    print(True)
else:
    print(False)
```

When you run this code with the given lists, it will print `True` because the number 5 is a common element in both lists.

Knowee AI · Accepted Answer

Here is a step-by-step solution in Python:

Step 1: Define the two lists.
```python
a = [1, 2, 3, 4, 5]
b = [5, 6, 7, 8, 9]
```

Step 2: Use the built-in Python function `set()` to convert the lists into sets. Sets in Python are unordered collections of unique elements. Converting the lists to sets will remove any duplicate elements.
```python
set_a = set(a)
set_b = set(b)
```

Step 3: Use the `intersection()` method, which returns a set that contains the similarity between two or more sets. If the length of the intersection is greater than 0, it means that there is at least one common element between the two lists.
```python
common_elements = set_a.intersection(set_b)
```

Step 4: Check if the length of `common_elements` is greater than 0. If it is, return `True`. Otherwise, return `False`.
```python
if len(common_elements) > 0:
    print(True)
else:
    print(False)
```

When you run this code with the given lists, it will print `True` because the number 5 is a common element in both lists.

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 :True

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