with open(r'c:\Users\BDAdmin\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as i:
    a=i.readlines()

final_sum=[]
for i in a:
    data=i.split()
    sum=0
    for j in data[1:]:
        sum += int(j)
    result=data[0]+':'+str(sum)+'\n'
    final_sum.append(result)
print(final_sum)
with open(r'c:\Users\BDAdmin\Documents\lesson13-1\new_list.txt','w',encoding='utf-8') as d:
    d.write('bbb')