Python Tasks & ML | Задачи по питону и машинному обучению

def f(n):
    yield from range(n)
    yield from (x ** 2 for x in range(n))
res = ':'.join(str(i) for i in f(3))
print(res)

G = (с for с in '123')  
I1 = iter(G)  
I2 = iter(G)
_ = next(I1)
_ = next(I1)
print(next(I2))

g1 = (c * 2 for c in 'ABC')
def gen(m): 
    for c in m:
        yield c * 2
g2 = gen('ABC')
print(list(g1) == list(g2))

def f(arr):
    return 0 if not arr else arr[0] + f(arr[2:])
print(f([3, 3, 3]))

funcs = [lambda x: x**i for i in range(2, 4)]
print(funcs[0](5))

def maker(n, h=lambda: 3):
    return lambda f=h: f()**n, lambda f=h: n**f()
f, g = maker(2)
r = f(g) + g(f)
print(r)

f = lambda x, f=lambda x: x**2:  f(x)
print(f(5), f(5, f))

def maker(n):
    s = 0
    def g(x=n):
        nonlocal s
        s += x
        return s
    return lambda x: s + x + g()
f = maker(2)
print(f(3), f(3))

#testmod.py
x = 0
def f1():
    x = 10
def f2():
    global x
    x += 1   
def f3():
    import testmod
    testmod.x += 1
def f4():
    import sys
    sys.modules["testmod"].x += 1

#runmod.py
import testmod as t
t.f1();t.f2();t.f3();t.f4()
print(t.x)

x = 1
def f1():
    return x
def f2():
    global x
    x = 2
    return x
def f3():
    global x
    return x
print(f1(), f2(), f3(), f1())