my_window.py

def register():
    name=e1.get()
    password1=e2.get()
    password2=e3.get()
    print("用户输入的信息为：",name,password1,password2)
    
import tkinter
root=tkinter.Tk()
root.title("注册")
root.geometry("400x320+500+300")
lab=tkinter.Label(root,text='你好！请填写信息',font=("宋体",15),fg="black",width=40,height=2,bg="green")
lab.place(x=0,y=0)

e1=tkinter.Entry(root,show=None,font=("黑体",18),bg="light grey",width=18)
e1.place(x=140,y=80)
l1=tkinter.Label(root,text='用户名',font=("黑体",12),fg="black")
l1.place(x=60,y=80)

e2=tkinter.Entry(root,show="*",font=("黑体",18),bg="light grey",width=18)
e2.place(x=140,y=140)
l2=tkinter.Label(root,text='密码',font=("黑体",12),fg="black")
l2.place(x=60,y=140)

e3=tkinter.Entry(root,show="*",font=("宋体",18),bg="light grey",width=18)
e3.place(x=140,y=200)
l3=tkinter.Label(root,text='确认密码',font=("宋体",12),fg="black")
l3.place(x=50,y=200)

B=tkinter.Button(root,text="提交",bg="lightgreen",width=15,command=register)
B.place(x=150,y=250)
root.resizable()
root.mainloop()