dog_position.py

suffixes = {"1": "st", "2": "nd", "3": "rd"}

def positioner(rang, dog_position):
    positions = []
    for i in range(1, rang + 1):
        if str(i) == str(dog_position):
            continue
        if str(i) in ["11", "12", "13"]:
            positions.append(str(i)+ "th")
        else:
            positions.append(str(i) + suffixes.get(str(i)[-1], "th"))

    return positions

if __name__ == "__main__":
    positions = positioner(100, 12)
    print positions