21 lines
582 B
Python
21 lines
582 B
Python
mymatrix = [[1,2,3], [4,5,6], [7,8,9]]
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#to iterate through rows
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for i in range(len(mymatrix)):
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print i
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print(mymatrix[i])
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#ask user for the number of columns and rows, then creates the matrix
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rows = int(raw_input("enter number of rows: "))
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columns = int(raw_input("enter number of columns: "))
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#create matrix
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mymatrix = []
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for i in range(0, rows):
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myrow = [] #row has to be initialized ever iteration
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for j in range(0, columns):
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num = int(raw_input("enter a number: "))
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myrow.append(num)
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mymatrix.append(myrow)
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for i in range(len(mymatrix)):
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print i
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print(mymatrix[i]) |