import wget
nrdic=1



while nrdic<30:
    url='https://blogs.sch.gr/andreaspap/files/2016/08/%CE%9B%CE%B5%CE%BE%CE%B9%CE%BA%CF%8C-%CE%99.-%CE%A3%CF%84%CE%B1%CE%BC%CE%B1%CF%84%CE%AC%CE%BA%CE%BF%CF%85-%CF%84%CE%B5%CF%8D%CF%87%CE%BF%CF%82-'+(str(nrdic))+ '.pdf'
    filename = wget.download(url)
    nrdic=int(nrdic)+1
    print(url)