You're getting the error because you're passing [1][1] as a list index. List indexes must be integers. For example, you could do: ... <看更多>

Python 2D List Insert & Append. 7,316 views7.3K views. Dec 12, 2017 ... Insert, Append and Delete NumPy ... ... <看更多>

Data manipulation in Python is nearly synonymous with NumPy array ... for example, that if you attempt to insert a floating-point value to an integer array, ... ... <看更多>

Maybe this can help (if you don't want to use numpy ): headers = ['foo', 'bar', 'baz', 'other'] l = len(headers) arr = [["xxx" for i in ... ... <看更多>

expand_dims('z') does not have a value for z but it only knows the z is the dimension name. You can do like. b['z'] = 3 # add a scalar ... ... <看更多>

Data manipulation in Python is nearly synonymous with NumPy array ... This means, for example, that if you attempt to insert a floating-point value to an ... ... <看更多>