New Features:

• matplotlib background color customization based on user preferred theme

• 2 legends: to indicate bond order and to identify individual atoms

• matplotlib figures are now custom-named

• bond order now has a color scheme

• bug fixes: Cl2O, NO, ClF3, FCl3, group 1 element bond order issues, etc...

What's new...

• _self._atomic_colors taken from mogli

• Added some halogens to oxidn_states and _self._atomic_numbers.

• get_markersize() and get_markercolor() are for passing into the color parameter c of ax.plot() while rendering.

• Opacity values can be appended into the rgb list under get_markercolor() but seems pointless for now as it cannot make the colors deeper.

Some other misc stuff we can do:

• [ ] provide example compounds to the user

• [ ] deepen the atom colors a bit (they're pretty light now for some reason)

• [ ] annotate all atoms of the rendered compound (I have currently commented out that portion, as it gets overlapped when rendering bigger atoms

Bugs remaining (at least those that have come to light):

Al2O3 gets classified as AB2 type oxygen halides polyhalogen compounds (eg: ClF3) nitrogen monoxide

just minor changes were only required. it was my dumb thing i had to change only 1 thing. N i removed bp function. bp was not showing correct value so without that itself it works..

classify_geometry(): Classifies the geometry of a compound, given element_dict (like in get_elements(); see get_elements()) and number of lone pairs lp (see get_lp()).

Example return value:
	{'A': 1, 'B': 2, 'L': 0}

gdict_to_str(): Converts a 'geometry dictionary' (like above) to string.

Example return value:
	(same example as above)
	"AB2"

See source for more information.

I have added the lp function but when group 8 elements like Xe is added its showing invalid so we have to figure that out.. i dont think that its the lp def cause the def starts if the input is valid only. And i have also added period table grp1,2 ,13,14...18. it included valency,valence e and all the elements. i have to add transition elements also but that needs some extra things as nothing is common. N i have not added any cmments in the program i forgot about it so ill add the comments today or i can explain it to u guys if u dont understand the nxt time we meet. n the def is kinda really long and i hav tried my max to reduce it but there were no other way. if u can reduce the size n make it easier then pls do tell.

The PeriodicTable class has methods to calculate valencies, valence electrons, etc. given an initialized instance of a PeriodicTable. This has considerably reduced the length of get_lp() and has drastically improved readability.

The get_elements() function takes a string as argument. This string must be a chemical formula for a compound. After processing the string, the function returns a dictionary of elements with their corresponding "numbers". For example: get_elements("H2O") will return {'H': 2, 'O': 1}