was this necessary? no.

    newlist = []
    for x in list:
        newlist.append(float(x))

    newlist = [float(x) for x in list1]
    print(newlist)

    for index, x in enumerate(list1):
        list1[index] = float(x)

#-------------------

list1 = ["1","2","3"]

list1 = [int(i) for i in list1]
print(list1)

print([i * 3.142 for i in list1])