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Python

Can I show the line number in Python?

For example if I do this:-

print("code")
print("code")
print("code")
print("code")
print("code")
print("code")
print("code")
print("code")
etc
Can I also get the line that each print is used on to show in the running of the program? This might seem a strange request, but is it doable ?? Thanks Guys

3 Answers

Steven Parker
Steven Parker
231,269 Points

There's a module called "inspect" that has methods for getting that kind of information:

from inspect import currentframe, getframeinfo

f = currentframe()
print(getframeinfo(f).lineno, "code")
print(getframeinfo(f).lineno, "code")
# ...etc.

I'm using Visual studio and the terminal doesn't supply line numbers from code that's run.

However thanks that's very interesting.

Would it be possible to enclose an code block/several lines of code with just one print(getframeinfo(f).lineno, "code") ? I feel i've wrote that wrong - but if you get what i'm trying to say

Steven Parker
Steven Parker
231,269 Points

Sure, but it would only print the line number of the print statement itself.

Or did you want to just number output lines? You could do that with a loop and a counter without inspect.

ahh why I didn't think of a loop! of course thanks