python类中两个列表实例如何相加或相减

Posted 2021-01-07 番茄土豆西红柿

如下

import numpy
a = [1, 2, 3, 4]
b = [5, 6, 7, 8]
a_array = numpy.array(a)
b_array = numpy.array(b)
c_array = a_array + b_array
d_array = a_array - b_array
print c_array
print d_array