print(all([]))

class Matrix:
    def __init__(self, data):
        self.data = data
    
    def __add__(self, other):
        return Matrix([[self.data[i][j] + other.data[i][j] 
                       for j in range(len(self.data[0]))] 
                       for i in range(len(self.data))])
    
    def sum(self):
        return sum(sum(row) for row in self.data)

m1 = Matrix([[1, 2], [3, 4]])
m2 = Matrix([[5, 6], [7, 8]])
result = m1 + m2
print(result.sum())

gen = (x for x in range(3))
print(list(gen), list(gen))

print(1 in [1, 2] == True)

try:
    1 / 1
except ZeroDivisionError:
    print("A", end="")
else:
    print("B", end="")
finally:
    print("C", end="")

info = {'name': 'Python', 'version': 3}
info['year'] = 2024
total = len(info) + info['version']
print(total)

print((1, 2) < (1, 2, -1))

t = (1, 2, [3, 4])
d = {}
try:
    d[t] = "success"
    print(d[t])
except TypeError:
    print("TypeError")

d1 = {'a': 1, 'b': 2}
d2 = {'b': 3, 'c': 4}
print(d1 | d2)

x = "global"
res = [x for x in ["local", "scope"]]
print(x)