How can I Write a function called largest that takes a list of integers as argum

Question

How can I Write a function called largest that takes a list of integers as argument. It Recursively returns the largest integer of the list. Name of the file: largest.py (Python). I am having issues understanding how to add a recursive into the function, help also with the recursive.

Here are few sample runs given:

>>> largest( [1,12,4,10])

12

>>> Largest([])

Traceback (most recent call last):

File …..

print(Largest([]))

File …..

raise ValueError('Please provide a non empty list')

ValueError: Please provide a non empty list

>>>Largest([1,2.2])

Traceback (most recent call last):

File xxxxx

print(Largest([1,2.2]))

File xxxxx

raise TypeError('the passed argument is not an array')

TypeError: the passed argument is not an array

Explanation / Answer

def largest(lt):
   if len(lt)>0:
       a = lt[0]
       b = largest(lt[1:])
       if(a>b):
           return a
       return b
print(largest([1,12,4,10]))
print(largest([]))
print(largest([1,2.2]))

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