24 lines
737 B
Python
24 lines
737 B
Python
# -*- coding:utf-8 -*-
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def count_pm(*args):
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alist = list([round(i*2-8,2) for i in args]) #计算三种颗粒浓度
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result = []
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for pm in alist:
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pm_abs = abs(pm)
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result.append(generate_iso_code(pm_abs))
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print (result)
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return result
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def generate_iso_code(x):
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pm_value = [0.01,0.02,0.04,0.08,0.16,0.32,0.64,1.3,2.5,5,10,20,40,80] #颗粒浓度
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iso = list(range(1,25)) #iso级别，共24级
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for i in range(len(pm_value)): #for循环得到某个浓度范围的iso4006级别
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if pm_value[i] < x <= pm_value[i+1]:
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iso_code = iso[i]
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break
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return iso_code
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if __name__ == '__main__':
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count_pm(7.95,5.85,3.98)
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count_pm(7.918,5.949,5.456)
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count_pm(6.916,3.956,3.956)
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