List of progressive numbers (just to warm head)

progressive.py

def is_progressive(number):
    digits = map(int, list(str(number)))
    for i, digit in enumerate(digits):
        if i != 0:
            if digit <= digits[i - 1]:
                return False
    return True


def next_progressive(number):
    while True:
        number += 1
        if is_progressive(number):
            return number


def main():
    number = 9876
    for _ in range(10):
        number = next_progressive(number)
        print number


if __name__ == "__main__":
    main()