from typing import List


def listToCSV(lst: List) -> str:
    """
    Changes a list to csv format
    >>> listToCSV([1,2,3])
    '1,2,3'
    >>> listToCSV([1.0,2/4,.34])
    '1.0,0.5,0.34'
    """
    strings = ""
    for a in lst:
        strings += str(a) + ","
    strings = strings[0:len(strings) - 1]
    return strings