Convert mixed data into string numpy

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I have this array:

z = np.array(['43', '65', '41', '47', '46', '73', '99', '52', '56', '23', '07',
       'C3', '49', '62', '54', 'A1', '88', '70', '42', 74.0, 20.0, 21.0,
       4, 62, 2, 3, 49, 79, '13', 'F4', 'A9', '20', '19', 19.0, 23.0,
       70.0, 83, 61, 80, 81, 66, 82, 63, '09', '06', 'F8'], dtype=object)

In this array, we have int, str and float in one array. I want to convert all of them into string but float values have to be integer and the values such as '07', '09', etc also turn into '7', '9'. The desire result I want is:

z = np.array(['43', '65', '41', '47', '46', '73', '99', '52', '56', '23', '7',
       'C3', '49', '62', '54', 'A1', '88', '70', '42', '74', '20', '21',
       '4', '62', '2', '3', '49', '79', '13', 'F4', 'A9', '20', '19', '19', '23',
       '70', '83', '61', '80', '81', '66', '82', '63', '9', '6', 'F8'], dtype=object)

I have tried this method

def col_convert(array):
    for i in range(len(array)):
        try:
            array[i] = str(int(array[i]))
        except:
            next
    return array

However for 1 million elements, this solution are quite slow. Are there any way faster to handle this task?

python-3.x numpy arrays python
1 Answers

Try:

z1 = np.array([str(i).split('.')[0] for i in z])

UPDATE: Per OP's edit to remove leading zeros:

z1 = np.array([str(i).lstrip('0').split('.')[0] for i in z])
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