import numpy as np
import pandas as pd

datatype = [('Science', 'int32'), ('Maths', 'int32')]

current_values = np.zeros(3, dtype=datatype)

current_index = ['Row '+str(i) for i in range(1, 4)]

df = pd.DataFrame(current_values, index=current_index)

df

import pyutil as pyu

pyu.get_local_pyinfo()

'conda env: C:\\Users\\Afia Jahan\\anaconda3\\envs\\py312; pyv: 3.12.11 | packaged by Anaconda, Inc. | (main, Jun  5 2025, 12:58:53) [MSC v.1929 64 bit (AMD64)]'

import pandas as pd
from sklearn.ensemble import RandomForestClassifier
from sklearn.model_selection import train_test_split …

!python --version

Python 3.12.11

!pip install seaborn

Requirement already satisfied: seaborn in c:\users\afia jahan\anaconda3\envs\py312\lib\site-packages (0.13.2)
Requirement already satisfied: numpy!=1.24.0,>=1.20 in c:\users\afia jahan\anaconda3\envs\py312\lib\site-packages (from seaborn) (2 …

import numpy as np
import pandas as pd

df = pd.DataFrame({'a': [7, 1, 5], 'b': ['3','2','1']}, dtype='object')

df

import pyutil as pyu
pyu.get_local_pyinfo()

'conda env: C:\\Users\\Afia Jahan\\anaconda3\\envs\\py312; pyv: 3.12.11 | packaged by Anaconda, Inc. | (main, Jun  5 2025, 12:58:53) [MSC v.1929 64 bit (AMD64)]'

print(pyu.ps2("haystack-ai ollama-haystack python-dotenv"))

model_cache = {
    "test1.joblib" : {"one" : "two"}
}

cache_keys = list(model_cache …

import xmltodict

content = {
  "note" : {
    "to" : "Tove",
    "from" : "Jani",
    "heading" : "Reminder",
    "body" : "Don't forget me this weekend!"
  }
}

content

{'note': {'to': 'Tove',
  'from': 'Jani',
  'heading': 'Reminder',
  'body': "Don't forget me this weekend!"}}

xml = xmltodict.unparse(content, pretty=True)

xml

'<?xml version="1.0" encoding="utf-8"?>\n<note>\n\t<to …

import re

contents = [
    "AB23",
    "A2B3", 
    "DE09",
    "MN90",
    "XYi9",
    "XY90"
]

for content in contents:
    regex_pattern = "(?:AB|DE|XY)\d+" 
    # starts with AB or DE; should contain one or more number

    m = re.match(regex_pattern, content)

    if(m):
        print('matched : '+content)

matched : AB23
matched : DE09
matched : XY90


<>:2: SyntaxWarning: invalid escape sequence …

entries = ['one', 2, 'three', False]

print(entries)

['one', 2, 'three', False]

print(entries[2:7])

['three', False]

entryTuple = (100, 200, 'three', 'four')
print(entryTuple)

(100, 200, 'three', 'four')

cities = ['Toronto', 'Monteal', 'Vancouver']
print(cities)

['Toronto', 'Monteal', 'Vancouver']

users = [
    ('Anders', 'A', 21),
    ('Balmer', 'B', 45),
    ('Stephe', 'S', 24)
]

print(users)

[('Anders …

import pyutil as pyu
pyu.get_local_pyinfo()

'conda env: C:\\Users\\Afia Jahan\\anaconda3\\envs\\py312; pyv: 3.12.11 | packaged by Anaconda, Inc. | (main, Jun  5 2025, 12:58:53) [MSC v.1929 64 bit (AMD64)]'

print(pyu.ps2("haystack-ai ollama-haystack python-dotenv"))

lista = ["one", 2, "three", 4]

type(lista)

list …

a = [
    1, 2, 3, 4
]

b = a

b

[1, 2, 3, 4]

b.append(5)

a

[1, 2, 3, 4, 5]

c = a.copy()

c.append(6)

a

[1, 2, 3, 4, 5]