<jupyter_start><jupyter_text><jupyter_code>list = ['Roshani', 'Mallav', 1999, 20000];

##   1.updating the list

print ("Value available at index 2 : ")
print (list[2])
list[2] = 22222;
print ("New value available at index 2 : ")
print (list[2])

## 2.deleting element

print (list)
del (list[2]);
print ("After deleting value at index 2 : ")
print (list)

## 3.Checking lenght of the list
print("The lenght of the list is:")
print(len(list))

##4.Append operation

print(list)
print("After appending the list is:")
list.append("orange")
print(list)

## 5.Copy
print("Copy list from onelist to another:")
mylist=[1,2,3,'letupgrade']
mylist = list.copy()
print(mylist)<jupyter_output>Value available at index 2 : 
1999
New value available at index 2 : 
22222
['Roshani', 'Mallav', 22222, 20000]
After deleting value at index 2 : 
['Roshani', 'Mallav', 20000]
The lenght of the list is:
3
['Roshani', 'Mallav', 20000]
After appending the list is:
['Roshani', 'Mallav', 20000, 'orange']
Copy list from onelist to another:
['Roshani', 'Mallav', 20000, 'orange']
{'fraction_non_alphanumeric': 0.15610217596972564, 'fraction_numerical': 0.06811731315042574, 'mean_word_length': 5.412121212121212, 'pattern_counts': {'":': 0, '<': 4, '<?xml version=': 0, '>': 4, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, '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': '510247', 'license': 'Apache-2.0', 'n_tokens_mistral': 452, 'n_tokens_neox': 382, 'n_words': 129, 'path': 'python2List.ipynb', 'repo_name': 'RoshaniMallav/letUpgrade_Python_Essential', 'size': '1057'}