#!/usr/bin/python3
import pandas
import sys
from math import pi
l = 23.5
df = pandas.read_csv("podatki.tsv", sep="\t")
df.index.name = "idx"
df["x"] = (df["y"]/13*l)
df["omega"] = ((9.81/df["l"])**(1/2))
df["f"] = (df["omega"]*0.5/pi)
df = df.astype(float).round(6);
data = df.values
if __name__ == "__main__":
	df.to_csv("/dev/stdout", sep=",");