Nested for loops and print statements

[MRAB]

On 2016-09-26 16:25, Cai Gengyang wrote:
> I just wanted to note that sometimes the code works, sometimes it doesn't. (even though both are exactly the same code) ... Weird , dum dum dum
>
>>>> for row in range(10):
>        for column in range(10):
> 	  print("*",end="")
> 	
> SyntaxError: inconsistent use of tabs and spaces in indentation
>>>> for row in range(10):
> 	for column in range(10):
> 	   print("*",end="")
>
[snip]

They are not exactly the same code. They are indented differently (tabs 
vs spaces), and that matters in Python.