CoCalc -- idiom06.py

GitHub Repository: jackfrued/Python-100-Days
Path: blob/master/公开课/年薪50W+的Python程序员如何写代码/code/Python/opencourse/part02/idiom06.py
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data = {'x': '5'}
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# if 'x' in data and isinstance(data['x'], (str, int, float)) \
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#         and data['x'].isdigit():
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#     value = int(data['x'])
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#     print(value)
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# else:
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#     value = None
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try:
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    value = int(data['x'])
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    print(value)
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except (KeyError, TypeError, ValueError):
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    value = None
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