<jupyter_start><jupyter_text>Execute this code 3 times with iterator and generator expression and write down your findings.import datetimemain_list = list(range(100000000))t1 = datetime.datetime.now()list1 = (each**2 for each in main_list)for each in list1:eacht2 = datetime.datetime.now()print (t2-t1)<jupyter_code>from datetime import datetime

# datetime object containing current date and time
now = datetime.now()
 
print("now =", now)

# dd/mm/YY H:M:S
dt_string = now.strftime("%d/%m/%Y %H:%M:%S")
print("date and time =", dt_string)<jupyter_output>now = 2021-01-17 11:25:24.800334
date and time = 17/01/2021 11:25:24
{'fraction_non_alphanumeric': 0.13141025641025642, 'fraction_numerical': 0.08173076923076923, 'mean_word_length': 5.868131868131868, 'pattern_counts': {'":': 0, '<': 4, '<?xml version=': 0, '>': 4, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 1, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'chain_length': '1', 'dir': 'jupyter-structured-clean-dedup', 'id': '271191', 'license': 'Apache-2.0', 'n_tokens_mistral': 253, 'n_tokens_neox': 216, 'n_words': 58, 'path': 'DAY 27 ASSIGNMENT.ipynb', 'repo_name': 'gkumarashish213/Letsupgrade-advance-python-day-27', 'size': '624'}