diff --git a/Vorwahl Seminare-4-records-20220110_1501-comma_separated.csv b/Vorwahl Seminare-4-records-20220110_1501-comma_separated.csv
new file mode 100644
index 0000000..cabc84a
--- /dev/null
+++ b/Vorwahl Seminare-4-records-20220110_1501-comma_separated.csv	
@@ -0,0 +1,4 @@
+Vorname,Nachname,"W-Seminar 1","W-Seminar 2","W-Seminar 3","P-Seminar 1","P-Seminar 2","P-Seminar 3",Klasse
+Hans,Dampf,"9 (Katholische Religionslehre)","8 (Informatik)","6 (Geografie)","13 (Musik)","12 (Mathematik)","11 (Latein)",10x
+Susi,Quadrat,"12 (Mathematik)","11 (Latein)","13 (Musik)","12 (Mathematik)","10 (Kunst)","11 (Latein)",10x
+Ralf,Rechteck,"1 (Biologie)","14 (Physik)","16 (Wirtschaft)","2 (Chemie)","3 (Deutsch)","16 (Wirtschaft)",10x
diff --git a/seminarwahl_cleaner.py b/seminarwahl_cleaner.py
new file mode 100644
index 0000000..d524eae
--- /dev/null
+++ b/seminarwahl_cleaner.py
@@ -0,0 +1,92 @@
+import re
+import tkinter as tk
+import tkinter.filedialog as tkfd
+import tkinter.messagebox as tkm
+
+root = tk.Tk()
+root.rowconfigure(0, weight=1)
+root.rowconfigure(0, weight=3)
+root.columnconfigure(0, weight=1)
+root.columnconfigure(1, weight=1)
+root.columnconfigure(2, weight=1)
+
+content = ""
+content_lines = list()
+newcontent = ""
+fname = ""
+
+def load_file(event=None):
+    global content
+    global content_lines
+    global fname
+    fname = tkfd.askopenfilename(filetypes=(("CSV files","*.csv"),("text files","*.txt")))
+    try:
+        f = open(fname, mode='r')
+        content = f.read()
+        f.seek(0)
+        for line in f:
+            content_lines.append(line)
+        t_preview.insert(0.0,content)
+        f.close()
+    except:
+        tkm.showerror(title="Fehler beim Öffnen",
+                      message="Öffnen der Datei fehlgeschlagen.")
+
+def clean(event=None):
+    global content_lines
+    global newcontent
+    newcontent = ""
+    t_preview.delete(0.0,tk.END)
+    for line in content_lines:
+        newline = re.sub(r"\s[(][a-zA-Zäöü\s]*[)]", "", line) # Fächer
+        newline = re.sub(r'["]', "", newline) # Anführungszeichen
+        tc = re.split(',', newline)
+        tc = [e.strip() for e in tc]
+        print(tc)
+        # Umsortieren
+        tcnew = [tc[-1]] + [tc[1]] + [tc[0]] + tc[2:-1]
+        tcnew[-1] = tcnew[-1] + "\n"
+        newline = ",".join(tcnew)
+        newcontent += newline
+    t_preview.insert(0.0,newcontent)
+    
+
+def save_file(event=None):
+    global fname
+    global newcontent
+
+    if fname == "":
+        tkm.showerror(title="Fehler beim Speichern",
+                      message="Speichern fehlgeschlagen")
+        return 1
+    
+    fname_new = fname[:-4] + "c" + ".csv"
+    try:
+        f = open(fname_new, mode='w')
+        f.write(newcontent)
+        tkm.showinfo(title="Gespeichert",
+                      message="Datei unter {} gespeichert.".format(fname_new))
+    except:
+        tkm.showerror(title="Fehler beim Speichern",
+                      message="Speichern fehlgeschlagen")
+
+bt_choose_file = tk.Button(root, text="Datei auswählen")
+bt_choose_file.grid(row=0, column=0)
+bt_choose_file["command"] = load_file
+
+bt_clean = tk.Button(root, text="Bereinigen")
+bt_clean.grid(row=0, column=1)
+bt_clean["command"] = clean
+
+bt_save_file = tk.Button(root, text="Speichern")
+bt_save_file.grid(row=0, column=2)
+bt_save_file["command"] = save_file
+
+bt_quit = tk.Button(root, text="Beenden", fg="red")
+bt_quit.grid(row=0, column=3)
+bt_quit["command"] = root.destroy
+
+t_preview = tk.Text(root, height = 10, width = 150)
+t_preview.grid(row=1, column=0, columnspan=3, sticky="nwse")
+
+root.mainloop()