python 几个小字符串格式化 %.3f {:1.0f}.format()
x = 50000011 s = '${:1.1f}M'.format(x*1e-6) print(s) s = '${:1.0f}K'.format(x * 1e-3) print(s) s = '${:.3f}K'.format(x * 1e-3) print(s) s = '%.3f' % (x*1e-3) print(s)
$50.0M $50000K $50000.011K 50000.011
x = 50000011 s = '${:1.1f}M'.format(x*1e-6) print(s) s = '${:1.0f}K'.format(x * 1e-3) print(s) s = '${:.3f}K'.format(x * 1e-3) print(s) s = '%.3f' % (x*1e-3) print(s)
$50.0M $50000K $50000.011K 50000.011