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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_proj(geom, proj_list=None):
 """Determine best projection for input geometry """

    out_srs = None
    if proj_list is None:
        proj_list = gen_proj_list()
    #Go through user-defined projeciton list
    for projbox in proj_list:
        if projbox.geom.Intersects(geom):
            out_srs = projbox.srs
            break
    #If geom doesn't fall in any of the user projection bbox, use UTM
    if out_srs is None:
        out_srs = getUTMsrs(geom)
    return out_srs