print(bool('False')) 
print(bool())

T = (1, 2, 3, 4, 5, 6, 7, 8) 
print(T[T.index(5)], end = " ") 
print(T[T[T[6]-3]-6])

my_tuple = (6, 9, 0, 0) 
my_tuple1 = (5, 2, 3, 4) 
print (my_tuple > my_tuple1)

for i in [1, 2, 3, 4][::-1]: 
    print (i)

set1 = {1, 2, 3} 
set2 = {4, 5, 6} 
print(len(set1 + set2))

data = [x for x in range(5)] 
temp = [x for x in range(7) if x in data and x%2==0] 
print(temp)

x = ['ab', 'cd'] 
for i in x: 
    x.append(i.upper()) 
print(x)