How to trace the flow in a python code without look through all the source code -


i'm new bie in python. wanna trace python project "youtube download" provides bunch of functions download youtube videos , wanna know when trigger 1 of method in project. 

"./youtube-dl <youtube_url> -t"

it download youtube stream , save title. wanna know when trigger command functions called , don't want "know/trace" other functions not related command triggered.

is there debug mode option, or kind of setting can let me job!

thanks in advance^^


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