Array Sorting

#Greatest to Least 1D Array

def sortGtoL(GtoLArr):
    a = GtoLArr[0]
    b = GtoLArr[1]
    c = GtoLArr[2]
    if a < b:
        x = a
        a = b
        b = x
        GtoLArr[0] = a
        GtoLArr[1] = b
        if b < c:
            x = b
            b = c
            c = x
            GtoLArr[1] = b
            GtoLArr[2] = c
            print(GtoLArr)
    elif b < c:
        x = b
        b = c
        c = x
        GtoLArr[1] = b
        GtoLArr[2] = c
        print(GtoLArr)

GtoLArray = input("GtoLArray = ")

if GtoLArray == "True" or GtoLArray == True:
    a = input("Enter a: ")
    b = input("Enter b: ")
    c = input("Enter c: ")
    GtoLArr = [a, b, c]
    print("The array before it has been sorted: ", GtoLArr)
    sortGtoL(GtoLArr)
    sortGtoL(GtoLArr)