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Python

hello can anybody help me please i get this error when i want to run this python code "IndentationError: unexpected ind"

m=[] r1=[2,4,-6]
r2=[1,3,1] r3=[2,-4,-2] r4=[2,-4,-2]

m.append(r1) m.append(r2) m.append(r3) n.append(r4)

def descent(a,b): for k in range(2): piv=a[k][k]

        for i in range(k+1,3):
            b[i]= b[i]-(a[i][k]*b[k]/piv)
                     for j in range(k+1,3):
                        a[i][j]= a[i][j]-(a[i][k]*a[k][j]/piv)

return
def main() descent(m,n): for i in range(3): print(m[i][0],"",m[i][1],"",m[i][2])

1 Answer

Steven Tagawa
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Steven Tagawa
Python Development Techdegree Graduate 14,438 Points

If the spacing that's being shown is accurate, then for j in range(k+1,3): has to have the same indentation as b[i]= b[i]-(a[i][k]*b[k]/piv).

You can only increase the indentation level to mark blocks of code after/inside conditional statements like if, for, try, with, etc. It's illegal to indent after an assignment (=) statement.