Enhancement and NEW feature to Waveform.py

[ruhi47]

Summary of Changes to Waveform.py:

• Add error handling for PyAudio initialization.
• Consolidate GUI update functions.
• Add dynamic resizing of the graph canvas.
• Add features to save and load audio data.

I am GSSOC'24 Contributor, please assign me this issue. Thank you!

[github-actions]

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[dinxsh]

save function already exists but if you want to work on the others feel free to @ruhi47

[ruhi47]

Thank you !!

[tkshsbcue]

i would like to work on this issue please

[tkshsbcue]

@dinxsh @ruhi47 i just wanted to ask one thing before starting what do mean by the 3 points like can explain it bit more so that i can fix them more efficiently
Thanks

[dinxsh]

if you mean level numbers its the difficulty of level an issue has to be solved @tkshsbcue

[tkshsbcue]

@dinxsh im saying can elaborate issue more what are these issues are
->Add error handling for PyAudio initialization.(which i get mostly)
->Consolidate GUI update functions.
->Add dynamic resizing of the graph canvas.
Like I'm unable to locate them

[tkshsbcue]

@dinxsh i have made a PR request please look into it