The Joy of Computing using Python Week 7 - Programming Assignment 1,2 and 3 | NPTEL | Answer with Explanation
The Joy of Computing using Python - Course | NPTEL - All assignment
The Joy of Computing using Python Week 7: Programming Assignment 1
Given a sqaure matrix M, write a function DiagCalc that calculates the sum of left and right diagonals and prints it respectively.
Input: A Number M A Matrix with M rows and M columns [[1,2,3],[3,4,5],[6,7,8]] Output 13 13 Explanation: Sum of left diagonal is 1+4+8 = 13 Sum of right diagonal is 3+4+6 = 13
Answer
def DiagCalc(m):
l=0
r=0
j=len(m)-1
for i in range(len(m)):
l=l+m[i][i]
r=r+m[i][j]
j=j-1
print(l)
print(r,end="")
n = int(input())
M = []
for i in range(n):
L = list(map(int, input().split()))
M.append(L)
DiagCalc(M)
The Joy of Computing using Python Week 7: Programming Assignment 2
Given a matrix M write a function Transpose which accepts a matrix M and return the transpose of M. Transpose of a matrix is a matrix in which each row is changed to a column or vice versa.
Input A matrix M [[1,2,3],[4,5,6],[7,8,9]] Output Transpose of M [[1,4,7],[2,5,8],[3,6,9]]
Answer
def Transpose(N):
M=[]
for i in range(len(N)):
k=[]
for j in range(len(N[i])):
k.append(N[j][i])
M.append(k)
return M
The Joy of Computing using Python Week 7: Programming Assignment 3
Given a matrix M write a function snake that accepts a matrix M and returns a list which contain elements in snake pattern of matrix M. (See explanation to know what is a snake pattern)
Input A matrix M 91 59 21 63 81 39 56 8 28 43 61 58 51 82 45 57 Output [91, 59, 21, 63, 8, 56, 39, 81, 28, 43, 61, 58, 51, 82, 45, 57]
Answer
def snake(M):
s=[]
for i in range(len(M)):
if i%2==0:
s+=M[i]
else:
s+=M[i][::-1]
return(s)
The Joy of Computing using Python - Course | NPTEL - All assignment
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