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A = [2,3,4];
B = [4,5,6];

c = [2*b for a in A];
d = [a+b for a,b in zip(A,B)];

>>>print(d[0]);
6

>>>print(d)
[6,8,10]

返回目录

'''
# 特殊字符需要前面加\  . ^ $ * + ? { } [ ] \ | ( )
# | 多个表达式或关系
# ^ 开始 $ 结束
# ? 匹配一次或零次
# + 匹配一次或多次
# * 匹配零次或多次
# \d* 匹配零次或多次数字
# \w* 匹配零次或多次数字大小字母[A-Za-z0-9_]
# \.? 匹配一次或零次小数点
# x.x|.x|x.
'''

十进制数值

    ReFloat = "([ ]*[-+]?[0-9]\d*\.?[0-9]\d*|[ ]*[-+]?\.?[0-9]\d*|[ ]*[-+]?[0-9]\d*\.?)";
    PlotReStr = ".*"  + "dcU:" + ReFloat + " AdcUv" + ".*";
    iter = re.finditer(PlotReStr,data);
    for i in iter:
        WaveAdcU.append(float(i.group(1)));

十六进制数值

    ReHex = "([0X]?[0-9a-fA-F]\w*)";
    PlotReStr = ".*"  + "dcU:" + ReHex + " AdcUv" + ".*";
    iter = re.finditer(PlotReStr,data);
    for i in iter:
        WaveAdcU.append(float(i.group(1)));

目录

数组运算

正则