Off topic:finding segment from multiple files

Question

[a4appy23]

 import Bio.PDB as PDB

p = PDB.PDBParser()

s = p.get_structure("1aac", "1aacH")
io = PDB.PDBIO()
io.set_structure(s)
outfile = '1aac.pdb'
io.save(outfile)
print("Printed %s" % outfile)

i need to add a loop for getting structure of 50 more files in my folder