fiz/vaje/7/tab.py


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#!/usr/bin/python3
import pandas
import sys
import math
b=pandas.read_csv("/dev/stdin", sep="\t")
b.index.name = "idx"
b["sila"] = (9.81*b["m"]/1000)
b["lambda"] = (2*b["pollamb"])
b = b.astype(float).round(6);
b.to_csv("/dev/stdout", sep=sys.argv[1][0]);