Answer by Ed Avis for How do I use a C-style for loop in Python?
Perhaps I may give another motivating example: if the size of the list may change during the loop. The token gobble replaces itself and the next two tokens with gulp.lines = ['a', 'gobble', 'c', 'd',...
View ArticleHow do I use a C-style for loop in Python?
I want to use the traditional C-style for loop in Python. I want to loop through characters of a string, but also know what it is, and be able to jump through characters (e.g. i =5 somewhere in the...
View ArticleAnswer by Taymon for How do I use a C-style for loop in Python?
The Python for loop always has foreach semantics. You can, however, do this:for i in xrange(10): print iThis is very much like a C for loop. xrange (or range, as it was renamed in Python 3) is a...
View ArticleAnswer by Adonais for How do I use a C-style for loop in Python?
for i in range(n):...is the Python equivalent of the C...for (i = 0; i < n; i++){Or well, you can use:for i in range(a, n, s):...which is equivalent to...for (i = a; i < n; i+=s){
View ArticleAnswer by Jeffrey for How do I use a C-style for loop in Python?
You can do the following, given an array a:for i in range(len(a)): a[i] = iThat's the closest Python can get to C-style loops. You can also give the range command more arguments; for example,for i in...
View ArticleAnswer by kev for How do I use a C-style for loop in Python?
In C:for(int i=0; i<9; i+=2){ dosomething(i);}In python3:for i in range(0, 9, 2): dosomething(i)You just express the same idea in different languages.
View ArticleAnswer by Karl Knechtel for How do I use a C-style for loop in Python?
I provide the following entirely facetious solution by way of protest. Note that 'break' and 'continue' will not work. Also note that the loop body must not be indented.class For: def __init__(self,...
View ArticleAnswer by rob mayoff for How do I use a C-style for loop in Python?
There is no simple, precise equivalent of C's for statement in Python. Other answers cover using a Python for statement with a range, and that is absolutely what you should do when possible.If you want...
View ArticleAnswer by user2492477 for How do I use a C-style for loop in Python?
For all the ones going "Why?", here's an example where a C-style loop would be helpful:remaining_retries = 3for i in range(num_runs): success = do_run() if not success and remaining_retries > 0: i =...
View ArticleAnswer by Chris for How do I use a C-style for loop in Python?
The top answer here is fundamentally incorrect in any true for-looping situation. And the second answer does address the issue, but over complicates things (a C-loop is possible).Bottom Line, Up Front...
View ArticleAnswer by Ethan Hunter for How do I use a C-style for loop in Python?
Since Python 3.8, we have the assignment expression operator or "walrus" operator, :=. Its use is just what it sounds like, turning assignments into expressions, returning the assigned value like...
View ArticleAnswer by user1537366 for How do I use a C-style for loop in Python?
An idea is to have a generator that yields an object, in which lies the loop variable. That way, you can have both the original generator and the loop accessing the same loop variable. Naturally, this...
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