Detect Duplicate List Entries | Dataford Interview Questions

Provide a simple algorithm to check for duplicate entries in a list.

Implement contains_duplicate(entries), which accepts a list of comparable values and returns True if any value appears more than once, otherwise False. Treat values as duplicates when they compare equal. Return False for an empty list or a list with one entry.

Function signature: def contains_duplicate(entries):

Constraints

0 <= len(entries) <= 1000
Entries are hashable and comparable for equality
Return a boolean value

Function Signature

def contains_duplicate(entries):

Your question is Detect Duplicate List Entries. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.

Problem

Provide a simple algorithm to check for duplicate entries in a list.

Function signature: def contains_duplicate(entries):

Constraints

0 <= len(entries) <= 1000
Entries are hashable and comparable for equality
Return a boolean value

Function Signature

def contains_duplicate(entries):

Your question is Detect Duplicate List Entries. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.