python代码中如何添加文件读写

Question

python代码中如何添加文件读写，和添加字典与列表太难了不知道怎么办寻求大神帮助

Answer 1

#添加文件读写
with open('a.txt','r',encoding='utf-8') as f,open('b.txt','w',encoding='utf-8') as f1:
    f1.write(f.read())
#添加列表,用append和extend
ls=[1,2,3]
ls.append(4)
print(ls)
ls.extend([4,5,6])
print(ls)
#添加字典,用update
d={'n':0}
d.update({x:y for x,y in zip(['a','b','c'],[1,2,3])})
print(d)