将二维数组转成一维数组
data = 2D_shuzu().flatten()
统计一维数组中重复数字的个数
nnn = {}. //字典
for item in t:
if item in nnn:
nnn[item] += 1
else :
nnn[item] = 1
print(nnn)
nnn 为字典
将字典(键值对)转成二位数组
data = np.array(list(nnn.items()))
完成
标签:nnn,Python,item,键值,数组,字典 From: https://www.cnblogs.com/50mhz/p/17668087.html