import os

list1 = list(range(1, 11))
print(list1)

list2 = []

for i in range(1, 11):
    a = str(i) + 'x' + str(i)
    list2.append(a)

print(list2)

list3 = [x * x for x in range(1, 11)]
print(list3)

list4 = [x * x for x in range(1, 11) if x % 2 == 0]
print(list4)

list5 = [m + n + p for m in 'abcd' for n in 'xyz' for p in '123']
print(list5)

list6 = [d for d in os.listdir('/')]
print(list6)