NumPyArray

import arcpy
import numpy

# Create a simple array from scratch using random values
myArray = numpy.random.random_integers(0,100,2500)
myArray.shape = (50,50)

# Convert array to a geodatabase raster
myRaster = arcpy.NumPyArrayToRaster(myArray,x_cell_size=1)
myRaster.save(r"D:DocumentsArcGISDefault.gdbKr1")
=================================
import arcpy
import numpy
input = u"中国县界_Clip"
arr = arcpy.da.FeatureClassToNumPyArray(input, ('NAME', 'Shape_Area'))

print(arr["Shape_Area"].sum())