How to run matrix 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()

Source: geeksforgeeks.org

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