blob.py

import tkinter as tk

fields = ('Number of Sheep', 'Number of Zombies', 'Number of Landmines', 'Number of Iterations', 'Neighborhood size', 'Explosion size')


def makeform(root, fields):
    entries = {}
    for field in fields:
        print(field)
        row = tk.Frame(root)
        lab = tk.Label(row, width=22, text=field+": ", anchor='w')
        ent = tk.Entry(row)
        ent.insert(0, "0")
        row.pack(side=tk.TOP, 
                 fill=tk.X, 
                 padx=5, 
                 pady=5)
        lab.pack(side=tk.LEFT)
        ent.pack(side=tk.RIGHT, 
                 expand=tk.YES, 
                 fill=tk.X)
        entries[field] = ent
    return entries

root = tk.Tk()
ents = makeform(root, fields)
root.mainloop()