1+ #Function of matrix printing
2+ def displaymatrix ():
3+ for a in range (nr ):
4+ for b in range (nc ):
5+ print ("%10.3f" % (matrix [a ][b ]), end = " " )
6+ print ("\n " )
7+ 8+ # Taking Matrix Input
9+ matrix = []
10+ nr = int (input ("Enter Number of rows :" ))
11+ nc = int (input ("Enter Number of coulums :" ))
12+ for i in range (nr ):
13+ pseudomatrix = []
14+ for j in range (nc ):
15+ num = float (input (f"Enter Numbers in Matrix { str (i + 1 ) + str (j + 1 )} ))
16+ pseudomatrix .append (num )
17+ matrix .append (pseudomatrix )
18+ displaymatrix ()
19+ 20+ # #Taking input pivot element
21+ pivotelementrow = int (input ("Enter Pivot Element row :" ))
22+ pivotelementcolumn = int (input ("Enter Pivot Element column :" ))
23+ 24+ 25+ while pivotelementrow > 0 and pivotelementcolumn > 0 :
26+ pivotelementrow -= 1
27+ pivotelementcolumn -= 1
28+ 29+ #Solving for pivot element
30+ for p in range (nc ):
31+ pivotelement = (matrix [pivotelementrow ][pivotelementcolumn ])
32+ matrix [pivotelementrow ][pivotelementcolumn ]= (matrix [pivotelementrow ][pivotelementcolumn ])/ pivotelement
33+ for r in range (nc ):
34+ if r != pivotelementcolumn :
35+ matrix [pivotelementrow ][r ]= (matrix [pivotelementrow ][r ])/ pivotelement
36+ #Solving for pivot value
37+ for z in range (nr ):
38+ if z != pivotelementrow :
39+ pivotvalue = matrix [z ][pivotelementcolumn ]
40+ for c in range (nc ):
41+ matrix [z ][c ]= matrix [z ][c ]- pivotvalue * matrix [pivotelementrow ][c ]
42+ 43+ displaymatrix ()
44+ pivotelementrow = int (input ("Enter Pivot Element row :" ))
45+ pivotelementcolumn = int (input ("Enter Pivot Element column :" ))
46+
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