x = [1, 2, 3]
y = sorted(x)
y.insert(0, 100)
print(x[0])

x = [2, 1, 3]
x = x.sort()
print(x[0])

try:
    my_x = 1
    raise Exception('исключение') #1
except Exception as my_err:
    print(my_err)                 #2
    my_y = 2
print(my_x)                       #3
print(my_y)                       #4
print(my_err)                     #5

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())

#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)

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))

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

a = "Xmas"
b = a
a = "New Year"
print((a is b))

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)