print("Q1:")
teller = 0
while teller < 4:
    teller = teller + 1

print(teller)

print("Q2:")
a = list(range(2, 11, 3))
print(a)

print("Q3:")
data = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]
print(data[1][2])

print("Q4:")
a = 5
b = a * 2
a = a + b
print(a, b)

print("Q5:")
labels = ['a', 'b', 'c']
for i in range(3):
    print(labels[i], end = ' ')
    for j in range(i, 3):
        print(j, end = ' ')

print("Q6:")
r = 1
t = 2.0
A = r * t
print(type(r), type(A))

print("Q7:")
s = 0
for n in range(2, 10, 4): 
    s += n
print(s)

print("Q8:")
numbers = [10, 25, 50, 40, 70]
result = []
for num in numbers:
    if num < 20:
        result.append("Small")
    elif num < 50:
        result.append("Medium")
    else:
        result.append("Large")
print(result)

print("Q9:")
print(4 >= 3 and not True)
print(True and False or True)
print(True or False)
print(True and False or False)

print("Q10:")
kort = [1, 0, -1]
lang = [1, 2, 3, 4, 5]
liste = [1, 2, [1], [2], [[1]], [[2]]]

print(liste[-2])
print(liste[kort[1]])
print(liste[kort[2] * lang[2]])
print(liste[lang[kort[0]]])