i = 1
while i < 5:
    print(i)
    i = i + 1
print("done!")

num = 10
while num >= 1:
    print(num)
    num = num - 1

print("done!")

i = 0
while i <= 98:
    i = i + 2
    print(i)
    
print("done!")

result = 0
num = 1
while num <= 10000:
    result = result + num
    num = num + 1
print("Result:", result)

print("done!")

line = 0
while line < 5:
    if line % 2 == 0:
        print("X-X-X")
    else:
        print('-O-O-')
    line = line + 1

print("done!")

def multipleInRange(start, end, factor):
    num = start
    while num <= end:
        if num % factor == 0:
            return True
        num = num + 1
    return False
    
assert(multipleInRange(10, 17, 7) == True)
assert(multipleInRange(10, 17, 9) == False)