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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 localortho(lon, lat):
 """Create srs for local orthographic projection centered at lat, lon """

    local_srs = osr.SpatialReference()
    local_proj = '+proj=ortho +lat_0=%0.7f +lon_0=%0.7f +datum=WGS84 +units=m +no_defs ' % (lat, lon)
    local_srs.ImportFromProj4(local_proj)
    return local_srs