list = [2, 10, 14, 23, 45 ,56, 64, 74, 86,90]
length = len(list)
number = int(input("What number are you searching for? "))

LowerBound = 0
UpperBound = length - 1
match = False

while match == False and LowerBound ?? UpperBound:
    MidPoint = (LowerBound + UpperBound) // 2
    if list[MidPoint] == number:
        print("We have found your number!")
        match == True
        break
    elif list[MidPoint] < number:
        LowerBound = MidPoint + 1
    else:
        UpperBound = MidPoint - 1