how to take matrix input in python
# A basic code for matrix input from user
R = int(input("Enter the number of rows:"))
C = int(input("Enter the number of columns:"))
# Initialize matrix
matrix = []
print("Enter the entries rowwise:")
# For user input
for i in range(R): # A for loop for row entries
a =[]
for j in range(C): # A for loop for column entries
a.append(int(input()))
matrix.append(a)
# For printing the matrix
for i in range(R):
for j in range(C):
print(matrix[i][j], end = " ")
print()
4
7
If you want to take n lines of input where each line contains m space separated integers like:
1 2 3
4 5 6
7 8 9
a=[] // declaration
for i in range(0,n): //where n is the no. of lines you want
a.append([int(j) for j in input().split()]) // for taking m space separated integers as input
Thank you!
7
4
(7 Votes)
0
4.17
6
matrix = [input().split() for i in range(no_of_rows)] # if only row is given and the number of coloumn has to be decide by user
matrix= [[input() for j in range(no_of_cols)] for i in range(no_of_rows)] # if both row and coloumn has been taken as input from user
Thank you!
6
4.17
(6 Votes)
0
3.6
5
row=int(input("Enter number of rows you want: "))
col=int(input("Enter number of columns you want: "))
mat=[]
for m in range(row):
a=[]
for n in range(col):
a.append(0)
mat.append(a)
for i in range(len(mat)):
for j in range(len(mat[0])):
mat[i][j]=int(input("Input element: "))
print("Your Matrix is :",mat)
Thank you!
5
3.6
(5 Votes)
0
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