Find length of 2D array Python

Question

How do I find how many rows and columns are in a 2d array    For example   Input      1  2    3  4    5  6       should be displayed as 3 rows and 2 columns

User · Answer

Assuming input row  col        rows   len input      cols   map len  input    list of column lengths

User · Answer

In addition  correct way to count total item number would be   sum len x  for x in input

User · Answer

Like this   numrows   len input       3 rows in your example numcols   len input 0     2 columns in your example   Assuming that all the sublists have the same length  that is  it s not a jagged array

User · Answer

assuming input row  col   rows   len input  cols   len list zip  input

User · Answer

You can also use np size a 1   1 here is the axis and this will give you the number of columns

User · Answer

You can use numpy shape   import numpy as np x   np array   1  2   3  4   5  6      Result    gt  gt  gt  x array   1  2           3  4           5  6     gt  gt  gt  np shape x   3  2    First value in the tuple is number rows   3  second value in the tuple is number of columns   2

[python] Find length of 2D array Python

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