此函数在数组中的每个元素上调用 str.upper 函数,以返回大写数组元素。
import numpy as np print np.char.upper('hello') print np.char.upper(['hello','world'])
这是它的输出-
HELLO ['HELLO' 'WORLD']
此函数在数组中的每个元素上调用 str.upper 函数,以返回大写数组元素。
import numpy as np print np.char.upper('hello') print np.char.upper(['hello','world'])
这是它的输出-
HELLO ['HELLO' 'WORLD']
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