Python 2.7.15 (v2.7.15:ca079a3ea3, Apr 30 2018, 16:22:17) [MSC v.1500 32 bit (Intel)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> import arcpy
>>> infc = "C:/Temp/Photo_3.tif"
>>> sr = arcpy.SpatialReference("NAD 1983 MTM 10")
>>> arcpy.DefineProjection_management(infc, sr)
<Result 'C:/Temp/Photo_3.tif'>


>>> arcpy.env.workspace = "C:/Temp"
>>> source_pnt = "'569678 4815068'; '562733 4814268'; '566552 4810766'; '566095 4809728'; '563898 4810176'; '568689 4808211'"
>>> target = "'370572 1938'; 367365 2777; '363241 3331 '; '369340 4885'; '370867 6466'; '363720 5670'"
>>> arcpy.Warp_management("subset_existing.img", source_pnt, target_Point, "canal", "POLYORDER2", "NEAREST")