import tkinter as tk w = tk.Tk() p_nameVar = tk.StringVar(w) cpusVar = tk.StringVar(w) cycVar = tk.StringVar(w) N_tsVar = tk.StringVar(w) T_cycVar = tk.StringVar(w) settings=[] def getvars(): global settings p_name = p_nameVar.get() cpus = cpusVar.get() cyc = cycVar.get() N_ts = N_tsVar.get() T_cyc = T_cycVar.get() settings = (p_name, cpus, cyc, N_ts, T_cyc) print(settings) field1 = tk.Label(w, text="project name").grid(row=0, column=0) entry1 = tk.Entry(w, textvariable = p_nameVar).grid(row=0, column=1) field2 = tk.Label(w, text="CPUs").grid(row=1, column=0) entry2 = tk.Entry(w, textvariable = cpusVar).grid(row=1, column=1) field3 = tk.Label(w, text="number of cycles").grid(row=2, column=0) entry3 = tk.Entry(w, textvariable = cycVar).grid(row=2, column=1) field4 = tk.Label(w, text="number of time steps").grid(row=3, column=0) entry4 = tk.Entry(w, textvariable = N_tsVar).grid(row=3, column=1) field5 = tk.Label(w, text="cycle periode").grid(row=4, column=0) entry5 = tk.Entry(w, textvariable = T_cycVar).grid(row=4, column=1) button = tk.Button(w, text="Get vars", command=getvars).grid(row=5) w.mainloop() print(settings)