dutc

from pandas import MultiIndex, date_range, Series, Categorical, merge, get_dummies, date_range, DataFrame
from itertools import product
from numpy import arange, zeros, newaxis, tile, log2
from numpy.random import default_rng
from string import ascii_lowercase
from contextlib import contextmanager
from time import perf_counter
from matplotlib.cm import get_cmap
from matplotlib.pyplot import subplots, show

dutc

int is to list as float is to tuple

Event: PyCon Lithuania

Date: Thu May 26, 2022

Speaker: James Powell

Twitter: @dontusethiscode

dutc

from pandas import read_csv

s = read_csv('data.txt', squeeze=True, header=None)
print(
    (s.diff() > 0).sum(),
)

dutc

#!/usr/bin/env python3

from itertools import tee, islice, zip_longest, chain, repeat

nwise = lambda g, *, n=2: zip(*(islice(g, i, None) for i, g in enumerate(tee(g, n))))
nwise_longest = lambda g, *, n=2, fv=object(): zip_longest(*(islice(g, i, None) for i, g in enumerate(tee(g, n))), fillvalue=fv)
first = lambda g, *, n=1: zip(chain(repeat(True, n), repeat(False)), g)
last = lambda g, *, m=1, s=object(): ((xs[-1] is s, x) for x, *xs in nwise_longest(g, n=m+1, fv=s))

if __name__ == '__main__':

dutc

from pandas import Series
from numpy.random import default_rng
from string import ascii_lowercase

rng = default_rng(0)

s = Series(
    rng.integers(-10, 10, size=(size := 10_000)),
    index=rng.choice([*ascii_lowercase], size=(size, length := 10)).view(f'<U{length}').ravel(),
)

dutc

def foo(self, _):
    pass

class T:
    from json import dumps
    from itertools import repeat
    foo = foo

    def bar(self, _):
        pass

dutc

class A:
    x = 1

class B(A):
    y = 20

class D:
    def __get__(self, instance, owner):
        return 50_000

dutc

class A:
    def foo(self):
        return 'A.foo',

class B(A):
    def foo(self):
        return 'B.foo', *super().foo()

class C(A):
    def foo(self):

dutc

from pandas import DataFrame

class Base:
    def __len__(self):
        return 1

class Derived(Base):
    def __len__(self):
        return super().__len__() + 1

dutc

from numpy import tile, repeat, int64
from numpy.random import default_rng
from pandas import DataFrame, date_range, Timestamp, concat
from pandas.tseries.offsets import Day
from random import seed
from scipy.stats import zscore
from string import ascii_lowercase

if __name__ == '__main__':
    rng = default_rng(s := Timestamp('2021-07-04').asm8.astype('uint32'))