Algorithms, functions, classes, regular expressions, iterators, generators, OOP, exceptions, NumPy, pandas, scikit-learn
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Questions — @dina_ladnyuk
Post #1703
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PY @python_tasks
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def f(a, b, c, d, e):
print(a, b, c, d, e)
f(1, *(3,), c=10, **{"d": 5, "e": 100})
x = 1
def f():
def g():
nonlocal x
print(x)
x += 1
return g
def unpacking(x, y):
print(x, y, end=" ")
tuple_vec = (1, 0)
dict_vec = {'x': 1, 'y': 0}
unpacking(*tuple_vec)
unpacking(**dict_vec)
c = filter(lambda x: x>=3, map(lambda x: x+x, (1, 2, 3, 4)))
print(list(c))
c = map(lambda x: x + x, filter(lambda x: (x>3), (1, 2, 3, 4)))
print(list(c))
x = {1: "A", 3: "B"}
y = {2: "C", 3: "D", 4: "E"}
d = {**x, **y}
vals = sorted(d.values())
print(*vals)from functools import reduce
y = reduce(lambda a, b: a + b , [1, 2, 3, 4])
print(y)
def f():
import sys
locs = sys._getframe(1).f_locals
setattr(locs['self'], 'xy', 4*locs['x'] + 7*locs['y'])
class A:
def __init__(self, x, y):
self.xy = 2*x + 3*y
f()
a = A(2, 3)
A.xy = 99
print(a.xy)