matrix_complete.py

# matrix_complete.py
# matrix transpose,sum
import sys
def get_n():
    try:
        n=int(raw_input("Enter value of n: "))
    except:
        n= 0
    return n

def get_matrix(n):
    matrix=[]
    for i in range(n):
        matrix.append([])
    for i in range(n):
        for j in range(n):
            matrix[i].append(int(raw_input("Enter m[%d][%d] value: "%(i,j))))
    print "Entered Matrix is:"
    print matrix
    return matrix

def sum_matrix(matrix1,matrix2):
    sum=[]
    n=len(matrix1)
    for i in range(n):
        sum.append([])
    for i in range(n):
        for j in range(n):
            val=matrix1[i][j]+matrix2[i][j]
            sum[i].append(val)
    print "Sum Matrix :"
    print sum
    return sum

def transpose_matrix(matrix):
    n=len(matrix)
    transpose=[]
    for i in range(n):
        transpose.append([])
    for i in range(n):
        for j in range(n):
            val=matrix[j][i]
            transpose[i].append(val)
    print "Transpose Matrix"
    print transpose

def print_matrix(matrix):
    print "Matrix is:"
    n=len(matrix)
    for i in range(n):
        if i> 0:
            sys.stderr.write("\n")
        for j in range(n):
            sys.stderr.write(str(matrix[i][j])+"\t")
    sys.stderr.write("\n")



n=get_n()
print "Enter First Matrix"
matrix1=get_matrix(n)
print_matrix(matrix1)
transpose=transpose_matrix(matrix1)
print "Enter Second Matrix"
matrix2=get_matrix(n)
sum=sum_matrix(matrix1,matrix2)