text = "Hello" 
text += " World" 

text = "Hello"
print(id(text))
text += " World"
print(id(text))

numbers = [1, 2, 3]
print(id(numbers))
numbers.append(4)
print(id(numbers))

['A', 'A', 'B', 'B', 'B', 'C']

from itertools import groupby

data = ['A', 'A', 'B', 'B', 'C', 'A']

# Avval tartiblaymiz
data = sorted(data)

# So'ng guruhlaymiz
for key, group in groupby(data):
    print(key, list(group))

A ['A', 'A', 'A']
B ['B', 'B']
C ['C']

from itertools import groupby

data = ['A', 'A', 'B', 'B', 'B', 'C', 'A']

for key, group in groupby(data):
    print(key, list(group))

A ['A', 'A']
B ['B', 'B', 'B']
C ['C']
A ['A']

from itertools import groupby

data = ['a', 'a', 'b', 'b', 'c']
for key, group in groupby(data):
    print(key, list(group))

a ['a', 'a']
b ['b', 'b']
c ['c']

from itertools import groupby

data = ('x', 'x', 'y', 'z', 'z')
for key, group in groupby(data):
    print(key, list(group))

x ['x', 'x']
y ['y']
z ['z', 'z']

from itertools import groupby

text = "aaabbccaaa"
for key, group in groupby(text):
    print(key, ''.join(group))

a aaa  
b bb  
c cc  
a aaa

from itertools import groupby

data = [
    {'type': 'fruit', 'name': 'apple'},
    {'type': 'fruit', 'name': 'banana'},
    {'type': 'vegetable', 'name': 'carrot'},
    {'type': 'fruit', 'name': 'pear'},
]

# Avval 'type' bo‘yicha tartiblash kerak
data.sort(key=lambda x: x['type'])

for key, group in groupby(data, key=lambda x: x['type']):
    print(key, list(group))

fruit [{'type': 'fruit', 'name': 'apple'}, {'type': 'fruit', 'name': 'banana'}, {'type': 'fruit', 'name': 'pear'}]
vegetable [{'type': 'vegetable', 'name': 'carrot'}]

apple
apple
banana
banana
carrot

from itertools import groupby

with open('data.txt') as f:
    for key, group in groupby(f):
        print(key.strip(), list(map(str.strip, group)))

apple ['apple', 'apple']
banana ['banana', 'banana']
carrot ['carrot']

from itertools import groupby

def generate():
    yield from ['a', 'a', 'b', 'b', 'c']

for key, group in groupby(generate()):
    print(key, list(group))

a ['a', 'a']
b ['b', 'b']
c ['c']

timeit.repeat(stmt, setup, repeat=3, number=10000)

import timeit

setup_code = "nums = list(range(100))"
stmt = "'-'.join(map(str, nums))"

results = timeit.repeat(stmt=stmt, setup=setup_code, repeat=5, number=10000)
print(results)

[0.285, 0.283, 0.284, 0.286, 0.282]

min_time = min(results)
print(f"Eng tez ishlagan vaqt: {min_time}")

with open("example.txt", "r") as file:
    print(file.tell())  # Fayl boshidagi pozitsiya (0)
    file.read(10)       # 10 bayt o‘qiladi
    print(file.tell())  # Endi pozitsiya 10 bo‘ladi

file.seek(0)  # Kursorni fayl boshiga qaytaradi

import pyshorteners

s = pyshorteners.Shortener()
short_url = s.isgd.short("https://python.org/doc")
print(short_url)
# natija https://is.gd/q7qNXq

pip install pyshorteners

a = 4
b = 5
temp = a
a = b
b = temp
print(a)
print(b)

a = 4
b = 5
a, b = b, a
print(a)
print(b)

a, b = 4, 5

pip install prettytable

from prettytable import PrettyTable

# Jadval yaratish
table = PrettyTable()

# Ustun nomlarini qo‘shamiz
table.field_names = ["Ism", "Yosh", "Kasb"]

# Qatorlar qo‘shamiz
table.add_row(["Ali", 25, "Dasturchi"])
table.add_row(["Laylo", 22, "Dizayner"])
table.add_row(["Javlon", 30, "Analitik"])

# Jadvalni chiqarish
print(table)

x = [1, 2, 3]
y = x
y.append(4)
print(x)

def func(x=[]):
    x.append(1)
    return x

print(func())
print(func())

print(bool("False"))

print(0.1 + 0.2 == 0.3)

print(3 * 'abc')