AttributeError: 'list' object has no attribute 'shape'是什么意思?
时间: 2023-11-15 08:05:38 浏览: 373
AttributeError: 'list' object has no attribute 'shape'是一个错误提示,意思是列表对象没有shape属性。在Python中,shape属性通常用于numpy数组,而不是列表。这个错误通常发生在试图对列表进行类似于数组的操作时,例如获取列表的形状。解决这个问题的方法是将列表转换为numpy数组,或者使用适当的列表操作而不是numpy数组操作。
解决方法:
1. 将列表转换为numpy数组,可以使用numpy.array()函数将列表转换为数组,然后就可以使用shape属性了。
2. 如果不想使用numpy,可以使用Python内置的len()函数获取列表的长度,而不是使用shape属性。
举例说明:
```
import numpy as np
# 创建一个列表
my_list = [1, 2, 3, 4, 5]
# 将列表转换为numpy数组
my_array = np.array(my_list)
# 使用shape属性获取数组的形状
print(my_array.shape)
# 使用len()函数获取列表的长度
print(len(my_list))
```
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