from tkinter import *
from tkinter.ttk import *

def Ajout_joueur(frame):
    global i
    i=i+1
    Button(frame,text='Joueur'+str(i) ).grid(row=i,column=0)

global i


win = Tk()

wrapper1=Labelframe(win)
wrapper2=Labelframe(win)

mycanvas=Canvas(wrapper1)
mycanvas.pack(side=LEFT)

yscrollbar=Scrollbar(wrapper1,orient='vertical', command=mycanvas.yview)
yscrollbar.pack(side=RIGHT,fill=Y)

mycanvas.configure(yscrollcommand=yscrollbar.get())
mycanvas.bind('<Configure>', lambda e: mycanvas.configure(scrollregion=mycanvas.bbox("all")))

myframe=Frame(mycanvas)
mycanvas.create_window((0,0),window=myframe, anchor="nw")

wrapper1.pack(fill=BOTH,expand=YES,padx=10,pady=10)
wrapper2.pack(fill=BOTH,expand=YES,padx=10,pady=10)

i=0
Button_Ajout_Joueur=Button(wrapper2,text='ajouter Joueur',command=lambda : Ajout_joueur(myframe) ).pack(fill=BOTH,expand=YES)