15 lines
441 B
Python
15 lines
441 B
Python
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if __name__ == '__main__':
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x = 1234.56789
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# 对数值格式化输出，我们使用经典format函数
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print(format(x, '.2f'))
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print(format(x, '+<10.2f'))
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print(format(x, '=>10.2f'))
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print(format(x, '-^10.2f'))
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# 有一些特殊的，比如数值特有的千位逗号1，000
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print(format(x, ',.2f'))
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# 如果想用科学计数法，把f改成e就行
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print(format(x, '.2e'))
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print(format(x, 'e'))
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