怎么给生成的数列中间加个逗号啊

import numpy as np
# 等差数列
print(np.arange(0.9, 1.1, 0.001))

 
import numpy as np
# 等差数列
print(','.join(map(str,np.arange(0.9, 1.1, 0.001).tolist())))

很简单，加个tolist()函数即可。

import numpy as np
print(np.arange(0.9,1.1,0.001).tolist())