fiz/vaje/10/tab.py


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#!/usr/bin/python3
import pandas
import sys
from math import pi
l = 23.5
b=pandas.read_csv("/dev/stdin", sep="\t")
b.index.name = "idx"
b["x"] = (b["y"]/13*l)
b["omega"] = ((9.81/b["l"])**(1/2))
b["f"] = (b["omega"]*0.5/pi)
b = b.astype(float).round(6);
b.to_csv("/dev/stdout", sep=sys.argv[1][0]);