import unittest

numbers = [1, 2, 3, 4]

# Task 1 - Create a new list, calculating the square number (x * x) for each item in the list
# Expected output:
# [1, 4, 9, 16]


# Task 2 - Filter all the even numbers in the list
# Expected output: [2, 4]


# Task 3 - Sum all the odd numbers in the list
# Expected output: 4

print("Hello!")

#1
def foo(lst):
  rs = [x*x for x in lst]
  return rs



def test_foo_params_success(lst):
  assert isinstance(lst, list) == True

def test_foo_params_failure(lst):
  assert isinstance(lst, list) == False

def test_squre(lst):
    rs = foo(lst)
    for index, obj in enumarate(lst):
      assert (obj*obj, rs[index]), True


test_foo_params_success([1,2,3,4])

print("Completed!")

test_foo_params_failure('sd')