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ndarray.shape Tuple of array dimensions. 阅读全文
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计算中所有元素的值 Example: 阅读全文
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import numpy as np np.matrix('1, 2; 3, 4') #1, 2 #3, 4 np.matrix([[1,2],[3,4]]) #1, 2 #3, 4 阅读全文
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Map applies a function to all the items in an input_list Blueprint Most of the times we want to pass all the list elements to a function one-by-one an 阅读全文
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Description The method strip() returns a copy of the string in which all chars have been stripped from the beginning and the end of the string (defaul 阅读全文