Sparkline ascii bar charts for Python
Based on /~https://github.com/holman/spark/blob/master/spark
Adds support for multi-row charts. Unfortunately, doesn't support negative numbers, since box drawing characters don't have top-aligned blocks.
demo:
import spark
collatz = lambda n: [1] if n <= 1 else [n] + collatz(3 * n + 1 if n % 2 else n / 2)
print(spark.chart(collatz(871), height=20))result:
