Slice indices must be integers or None or have index method

Question

I m trying something with Python  I want to slice a list  plateau  in several list  L i   but I have the following error message     File  C  Users adescamp Skycraper skycraper py   line 20  in  lt module gt      item   plateau debut fin  TypeError  slice indices must be integers or None or have an   index   method   The concerned line is the one with item   plateau debut fin   from math import sqrt  plateau    2  3  1  4  1  4  2  3  4  1  3  2  3  2  4  1   taille   sqrt len plateau      Division en lignes L      i   1 while i  lt  taille      fin   i   taille     debut   fin - taille     item   plateau debut fin      L append item      i    1

User · Accepted Answer

Your debut and fin values are floating point values  not integers  because taille is a float   Make those values integers instead   item   plateau int debut  int fin     Alternatively  make taille an integer   taille   int sqrt len plateau

[python] Slice indices must be integers or None or have index method

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