def process_item(item_new):

item_new += 1

result_new = item_new * item_new

return result_new

if __name__ == "__main__":

'''

common write method

'''

results = []

item_list = [0, 1, 2, 3, 4]

for item in item_list:

item += 1

result = item * item

results.append(result)

print('results', results)

'''

better write method 1

'''

results = [process_item(item) for item in item_list]

print('results', results)