Algorithms, functions, classes, regular expressions, iterators, generators, OOP, exceptions, NumPy, pandas, scikit-learn
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Questions — @dina_ladnyuk
Post #818
2.07K
Channel Public Channel
PY Python Tasks & ML | Задачи по питону и машинному обучению
@python_tasks
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Post #817
1.97K
Что выведет код?
class MyBool(bool): pass
b = MyBool(True)
print(b == True, b is True)
Post #815
2.07K
Post #814
2.02K
Что выведет код?
try:
raise IOError()
except OSError as err:
print(isinstance(err, OSError), isinstance(err, IOError))
Post #813
2.07K
Post #812
2.01K
Post #811
1.93K
Что выведет код?
def a(z):
x = 0
try:
x += 1
100/z
x += 1
except ZeroDivisionError:
try:
x += 1
finally:
x += 1
return x
finally:
x += 1
return -1
a(0)
Post #810
1.94K
Post #809
1.89K
Дан код:
S = 'hello'
C = bytearray(S, encoding="ascii")
Post #807
2.01K
Post #806
1.86K
Дан код
from collections import namedtuple
rec = namedtuple('rec', ['x', 'y', 'z'])
comp = rec(1, 2, [4, 5])
Post #804
2.11K
Post #803
1.88K
Что выведет код?
import numpy as np
m = np.arange(4).reshape(2, 2)
d = np.fliplr(m).diagonal()
print(sum(d), np.trace(m))
Post #802
1.88K
Post #801
1.82K
Дан код:
s = bytearray("hello", encoding="ascii") Post #800
1.85K
Post #799
1.83K
Post #798
1.74K
Что выведет код?
a = [1]
a.insert(0, a)
a[0][0][-2][-2].append([2])
a[0][0][-1].append(3)
a[0][0][0][0][-1][0] *= -1
s = a[0][1] + a[0][0][2][-1] + a[0][0][2][-2]
print(s)
Post #797
1.73K
Post #796
1.69K
Дан код
a = ([1], 2)