text = "Mendeley Data Repository is free-to-use and open access. It enables you to deposit any research data (including raw and processed data, video, code, software, algorithms, protocols, and methods) associated with your research manuscript. Your datasets will also be searchable on Mendeley Data Search, which includes nearly 11 million indexed datasets. For more information, visit Mendeley Data."

import string
text1 = set(list(text.upper().replace(" ","").replace("1","").replace("(","").replace(")","").replace(".","").replace(",","").replace("!","").replace("?","").replace("-","")))
text2 = list(text1)
text2.sort()
print(text1)
print(text2)

alfabetS="".join(text2)
print(alfabetS)