Why does len(grid) vs for i in range(len(grid)) make a difference?
1607
List of lists changes reflected across sublists unexpectedly
95720
Is there a performance difference between a for loop and a for-each loop?
90478
Why are z-values replaced with zero after in_memory use in Python?
24841
Why are elementwise additions much faster in separate loops than in a combined loop?
54546
How does the enhanced for statement work for arrays, and how to get an iterator for an array?
100681
Which one is better "iterator" or "for-each loop"
50792
In Python, what is the difference between ".append()" and "+= []"?
7465
Is it possible to implement a Python for range loop without an iterator variable?
38747
Unexpected list behavior in Python
42470
How to initialize a List to a given size (as opposed to capacity)?
154760
Why does in_array() wrongly return true with these (large numeric) strings?
96433
Why does Python's itertools.cycle need to create a copy of the iterable?
50090
one-dimensional array shapes (length,) vs. (length,1) vs. (length)
72292
Which ordering of nested loops for iterating over a 2D array is more efficient
112454
Python - gdal.Grid() correct use
62436
Behavior of Inner depends on List dimensions?
38303
Why does this iterative list-growing code give IndexError: list assignment index out of range?