Ищу доброго самаритянина по питону

def printMatrix(matrix):  
    for row in matrix:
        print(*row, sep="\t", end="\n")
 
 
matrix = [
    [0, 0, 4, 4, 1, 1, 4],
    [0, 0, 4, 4, 2, 1, 4],
    [0, 0, 4, 4, 1, 1, 4],
    [0, 0, 4, 4, 1, 1, 4]
]
printMatrix(matrix)
 
tmp = [0 for _ in range(len(matrix[0]))]
mult = 1
 
for i in range(len(matrix)-1):
    mult *= 10
 
for i_ind, i in enumerate(matrix):
    for j_ind, j in enumerate(i):
        tmp[j_ind] += j * mult
    mult /= 10
 
for i_ind, i in enumerate(tmp):
    for j_ind, j in enumerate(tmp):
        if i == j and i_ind != j_ind:
            for k in matrix:
                k.pop(i_ind)
            tmp.pop(i_ind)
 
print("\n")
printMatrix(matrix)

f='This dinner is not that bad!'
n=f.find('not')
b=f.find('bad')
if n<b:
    f=f.replace('not that bad', 'Good')
print(f)

def finder(a):
    b=a.find('not' )
    c=a.find('bad')
    if b<c:
        a=a.replace(a[b:c+3],'Good')
    print(a)

>>> l = [5, -7, 3, 0, 1, 3, -7, 0, -2]
>>> l.sort(key=lambda x: x >= 0)
>>> l
[-7, -7, -2, 5, 3, 0, 1, 3, 0]

l = [5, -7, 3, 0, 1, 3, -7, 0, -2]
l.sort(key=lambda x: x >= 0)

f=1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
odd = 0
even = 0
for x in f:
    if x % 2 != 0:
        odd += x
    else:
        even += x
difference = odd - even
print(odd, even, difference)

f=3, 2, 3, 4, 5
odd = 0
even = 0
 
for x in f:
    for b in range(len(f)):
        if b % 2 != 0:
            odd += x
        else:
            even += x
difference = odd - even
print(odd, even, difference)

f=3, 2, 3, 4, 5
odd = 0
even = 0
 
for b in range(len(f)):
    if b % 2 != 0:
        odd += f[b]
    else:
        even += f[b]
difference = odd - even
print(odd, even, difference)