# textformat.py
#
# Different examples of text formatting.

# The file stocks.csv has some CSV formatted stock market data
# "symbol",price,change,volume.   Read it into a list of dictionaries

from collections import namedtuple
StockData = namedtuple("StockData",["name","price","change","volume"])

stockdata = []
for line in open("stocks.csv"):
    fields = line.split(",")
    record = StockData(fields[0].strip('"'),float(fields[1]),float(fields[2]),int(fields[3]))
    stockdata.append(record)

# Traditional string formatting

print("Traditional string formatting:")
for s in stockdata:
    print("%10s %10.2f %10.2f %10d" % (s.name,s.price,s.change,s.volume))

# Some new-style formatting examples
print("\nNew-style formatting:")
for s in stockdata:
    print("{s.name:>10s} {s.price:10.2f} {s.change:10.2f} {s.volume:10d}".format(s=s))