See Suggestive improvement requested

Giving feedback for the first time?

array = [5,3,7,6,8,2]
flag = False

Q1 = input("Do you want Bubble or Selection sort: ")
if Q1 == "bubble":
 flag = True
#<Bubble sort>
if flag == True: 
 for i in range(0,5): #How many times it repeats the algorithm
  for i in range(0,len(array)-1): #Linear scan for the biggest number
   if array[i] < array[i+1]: #Swapping if true
    small = array[i]
    array[i] = array[i+1]
    array[i+1] = small