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# Print the lower left triangle of a matrix.

R= int(input("Enter the number of rows:"))

C = int(input("Enter the number of columns:"))

matrix = []

print("Enter the entries rowwise:")

for i in range(R):

a =[]

for j in range(C):

a.append(int(input()))

matrix.append(a)

for i in range(R):

for j in range(C):

print(matrix[i][j], end = " ")

print()

for i in range(0, R):

for j in range(0, C):

if (i < j):

print(" ", end = " ");

else:

print(matrix[i][j],

end = " " );

print(" ");

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