python脚本模仿awk过滤指定行和列

这个只是做参考，需要根据自己的需要改写

python 读取指定行

文件sample5.txt

AAAAF110 0003E818 0003E1FC 0003E770 0003FFFC 90
AAAAF110 0003E824 0003E208 0003E76C 0003FFFC A5
AAAAF110 0003E814 0003E204 0003E760 0003FFFC 85
AAAAF110 0003E7F0 0003E208 0003E764 0003FFFC 68
AAAAF110 0003E7CC 0003E1FC 0003E758 0003FFFC 2

#读取指定行和列
def appiont_line(num,file):
    with open(file,"r",encoding='utf-8') as f:
        i =0
        while True:
            i=i+1
            out = f.readline()
            if i == num:
                return out.split(" ")[2]
print(appiont_line(3,"sample5.txt"))



#读取指定行
def appiont_line(num,file):
    with open(file,"r",encoding='utf-8') as f:
        i =0
        while True:
            i=i+1
            out = f.readline()
            if i == num:
                 return out
print(appiont_line(3,"sample5.txt"))

#读取指定行
def appiont_line(num,file):
    with open(file,"r",encoding='utf-8') as f:
        i =0
        while True:
            i=i+1
            out = f.readline()
            if i == num:
                return out.split(" ")[2]
print(appiont_line(3,"sample5.txt"))

import codecs
f = codecs.open('sample5.txt', mode='r', encoding='utf-8') # 打开txt⽂件，以‘utf-8'编码读取
line = f.readline()  # 以⾏的形式进⾏读取⽂件
list1 = []
while line:
  a = line.split()
  b = a[2:3]  # 这是选取需要读取的位数
  list1.append(b) # 将其添加在列表之中
  line = f.readline()
f.close()
for i in list1:
    print(i)