python binary search from scrach code example

Example: code of binary search in python

def binary_search(mylist,low,k,key):
    high = k - 1
    mid = (low + high)//2
    
    if mylist[mid]==key:
        return mid
    elif key > mylist[mid]:
        return binary_search(mylist,mid + 1,k ,key)
    else:
        return binary_search(mylist,0,mid, key)
low = 0
k = int(input("Enter total amount of elements in k : "))
mylist = [int(input()) for x in range(k)]
key = int(input("Which element do  we have to find: "))
print(binary_search(mylist,low,k,key))