csv - python: list index of out of range - 


  for line c: c1.append (row [0:13]) in line for c1: row (Float (row [13]) / 100) line .append (float (row [12]) / float (row [13]) / 100) row.append (math.log10 (float (line [12])) < There is a CSV file with many rows and columns in the code   
  c   c1  which contains a subset of  c  Only the first 14 elements 
 
 I am getting the  index error:  row.append (float (row [13]) /  at  category Every list index  
 
 Does anybody know what I am doing?

Rows in C1 are not actually 14 elements, they contain 13.

The second index in a single piece is unique when you type the line [0:13] to c1 , you add element 0 to element 13. Therefore, only 13 elements.

This is the reason That you get the index error: row.append (float ( The list listed out of range at line [13]) / 100. line [13] is an attempt to use a non-existent 14th element.


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