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Contains

Returns True if the element is in the list and False otherwise.

Contains block

Description​

The Contains block returns True if the element is in the list and False otherwise. This is a code block part of the Lists drawer.

Usage​

Use Contains to check if a specific element exists within a list. This is useful for validation, searching for specific values, or conditional logic based on list membership.

Syntax​

Inputs:

  • A list to search in
  • An element to search for

Notes​

  • Returns a boolean value (True or False)
  • Performs exact matching - the element must match exactly to return True
  • Works with any data type that can be stored in a list
  • List - Creates a list with specified elements
  • Index of in - Returns the index position of an element in a list
  • Item number in - Returns the item at a specific index in a list
  • Length of - Returns the number of items in a list