Diagram 1

graph TD
A --> B

Diagram 2

flowchart TB
c1-->a2
subgraph one
a1-->a2
end
subgraph two
b1-->b2
end
subgraph three
c1-->c2
end
one --> two
three --> two
two --> c2

Diagram 3

	graph TB
	    A & B--> C & D

Diagram 4

	graph LR
	   a --> b & c--> d

Charts

	pie title Choices
	"Risky": 50
	"Save": 40
	"Indifferent": 10

Python Code

for i in range(8):
	print(i)