Операции над списками, подсписками

a=[1,2]
b=[1,1,1,1]

lst=[]
for i in a:
    for k in b:
        sum=i+k
        lst.append(sum)
        
OUT=lst

>>>>[2,2,2,2,3,3,3,3]

for i in a:
    for k in b:
        sum=i+k
        lst.append(sum)
        
chop = len(b)       
OUT = [lst[x:chop+x] for x in range(0,len(lst),chop)]

import sys
print(sys.path)

#!/usr/bin/env python3
a=[[1,2,3], [4,5,6]]
b=[1,1]
for i, j in zip(a,b):
    print(i, j)

a = [[1,2,3,3],[4,5,6]]
b = [2,5]
 
lst=[]
sub_len=[]
 
for x in range(len(a)):
    l=len(a[x])
    for j in range(l):
        for i in b:     
            z=a[x][j]+i
            lst.append(z)
 
OUT=lst

#!/usr/bin/env python3
a = [[1,2,3,3],[4,5,6]]
b = [2,5]
res = []
for ls, add in zip(a,b):
    print(ls, add)
    a = [i+add for i in ls]
    print(a)
    res.append(a)
print(res)

a = [[1,2,3,3],[4,5,6]]
b = [2,5]
 
assert len(a) == len(b)
ln = len(a)
for i in range(ln):
    ls = a[i]
    add = b[i]

res = []
for ls, add in zip(a,b):
    subls = []
    for i in ls:
        subls.append(i+add)
    res.append(subls)

a=[1,2]
b=[1,2,3,4]
 
sum=[]
 
for i in a: 
    sub=[b[x]+i for x in range(len(b))]     
    sum.append(sub)     
 
print(sum)

#!/usr/bin/env python3
a=[1,2]
b=[1,2,3,4]
r = [[i+j for j in b] for i in a]
print(r)