import tkinter as tk

class loginForm(tk.Tk):
    def __init__(self):
        tk.Tk.__init__(self)
        self.title('Login')
        self.geometry('170x110')
        self.userLabel = tk.Label(text='Username:')
        self.userLabel.grid(row=0, column=0)
        self.passwordLabel = tk.Label(text='Password:')
        self.passwordLabel.grid(row=1, column=0)
        self.userEntry = tk.Entry()
        self.userEntry.grid(row=0, column=1)
        self.passwordEntry = tk.Entry(show='*')
        self.passwordEntry.grid(row=1, column=1)
        self.submitentries = tk.Button(text='Submit', command=self.getInfo).grid(row=2, column=0)
    def getInfo(self):
        userGet = self.userEntry.get()
        passGet = self.passwordEntry.get()

top = loginForm()
top.mainloop()