Question

Write a UDF in python, it will take two arguments list(sequence of elements) and finding element . Function search and return 1 if element is present in the given list otherwise return -1 .( using linear search)​

Answer 1

Answer:

find = lambda sequence, element: 1 if element in sequence else -1

It can also be written as:

def find(sequence, element):

   if element in sequence:

       return 1

   else:

       return -1