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Python List Value Check

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Your question is Python List Value Check. Start with the requirements on the right.

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Problem

When validating values collected from an F5 BIG-IP configuration, you may need to check whether a specific value appears in a list. Write a function that returns whether the target value is present, using equality comparison.

The function must scan the list from left to right and return True as soon as the target is found. Return False if the scan completes without finding it. Duplicate values do not change the result.

Formal Specification

Implement contains_value(values, target).

  • Input: values, a list of comparable Python values, and target, one comparable Python value.
  • Output: A Boolean. Return True when an element of values equals target; otherwise return False.

Constraints

  • 0 <= len(values) <= 10^5
  • Values may be integers, strings, or other mutually comparable values
  • Matching uses Python equality
  • The input list is not modified

Function Signature

def contains_value(values, target):
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