Python Tasks & ML | Задачи по питону и машинному обучению
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Algorithms, functions, classes, regular expressions, iterators, generators, OOP, exceptions, NumPy, pandas, scikit-learn
https://telega.in/c/python_tasks

Questions — @dina_ladnyuk
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Что выведет код?

from itertools import tee

it = iter([10, 20, 30])
a, b = tee(it)

print(next(a), next(b), list(a), list(b))
Что выведет код?

with open("data.txt", "w", encoding="utf-8") as f:
f.write("apple\n")
f.write("banana\n")
f.write("cherry\n")

def read_lines():
for line in open("data.txt"):
yield line.strip()

lines = read_lines()
print(next(lines))
print(next(lines))
print(next(lines))
Что выведет код?

from itertools import groupby

data = ['a', 'a', 'b', 'b', 'b', 'a']
groups = [(k, list(g)) for k, g in groupby(data)]

print(groups)