56. Transpose a Matrix using For Loop & List with Code || Nested Loop & List Comprehension Tutorial

Transpose of a matrix is obtained by changing rows to columns and columns to rows.

Code:

X=[[12,9],
[7,3],
[5,6]]

result=[[0,0,0],
[0,0,0]]

for i in range(len(X)):
for j in range(len(X[0])):
result[j][i]=X[i][j]

for r in result:
print(r)

#List Comprehension

X=[[12,9],
[7,3],
[5,6]]

result=[[X[j][i] for j in range(len(X))] for i in range(len(X[0]))]
for r in result:
print(r)