NumPy - numpy.char.upper() 函数
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简述
这个函数调用str.upper函数对数组中的每个元素返回大写数组元素。import numpy as np print np.char.upper('hello') print np.char.upper(['hello','world'])
这是它的输出 -HELLO ['HELLO' 'WORLD']
import numpy as np
print np.char.upper('hello')
print np.char.upper(['hello','world'])
HELLO
['HELLO' 'WORLD']