К вопросу о транспонировани­­и...

print('1. T is original matrix')
T = [[1, 2, 3],
     [4, 5, 6],
     [7, 8, 9],
     [10, 11, 12]]
print('T =', T)
for i in T:
    print(*i)
 
print()
print('2. T1 is transposed matrix T (variant NOVICE)')
print('T =', T)
T1 = list()
for i in range(len(T[0])):
    T1.append(list())
    for j in range(len(T)):
        T1[i].append(T[j][i])
print('T1 =', T1)
for i in T1:
    print(*i)
 
print()
print('3. T2 is transposed matrix T (variant WORKER)')
print('T =', T)
T2 = [[T[j][i] for j in range(len(T))] for i in range(len(T[0]))]
print('T2 =', T2)
for i in T2:
    print(*i)
 
print()
print('4. T3 is transposed matrix T (variant MAP)')
print('T =', T)
T3 = list(map(lambda *x: list(x),*T))
print('T3 =', T3)
for i in T3:
    print(*i)
 
print()
print('5. T4 is transposed matrix T (variant ZIP)')
print('T =', T)
T4 = list(zip(*T))
print('T4 =', T4)
for i in T4:
    print(*i)
 
print()
print('6. T5 is transposed matrix T (variant NUMPY)')
print('T =', T)
import numpy
T5 = numpy.transpose(numpy.array(T))
print('T5 =', T5)
for i in T5:
    print(*i)
 
print()
print('7. S is original list of strings')
S = ['abc',
     'def',
     'ghi',
     'jkl']
print('S =', S)
for i in S:
    print(*i)
 
print()
print('8. S1 is transposed list of strings S (variant NOVICE)')
print('S =', S)
S1 = list()
for i in range(len(S[0])):
    S1.append(list())
    for j in range(len(S)):
        S1[i].append(S[j][i])
print('S1 =', S1)
for i in S1:
    print(*i)
 
print()
print('9. S2 is transposed list of strings S (variant WORKER)')
print('S =', S)
S2 = [[S[j][i] for j in range(len(S))] for i in range(len(S[0]))]
print('S2 =', S2)
for i in S2:
    print(*i)
 
print()
print('10. S3 is transposed list of strings S (variant MAP)')
print('S =', S)
S3 = list(map(lambda *x: list(x),*S))
print('S3 =', S3)
for i in S3:
    print(*i)
 
print()
print('11. S4 is transposed list of strings S (variant ZIP)')
print('S =', S)
S4 = list(zip(*S))
print('S4 =', S4)
for i in S4:
    print(*i)
 
print()
print('12. S5 is transposed list of strings S (variant NUMPY)')
print('S =', S)
import numpy
S5 = numpy.transpose(numpy.array(S))
print('S5 =', S5)
for i in S5:
    print(*i)