import pandas as pd
def strip_percentage_sign(x):
return float(x.strip('%'))
data_path = "data1/"
progs = pd.read_csv(data_path + "programming_language_usage.txt",
quotechar='"',
thousands=",",
index_col=1,
converters={'Percentage':strip_percentage_sign},
delimiter=r"\s+")
del progs["Mar 2017"]
print(progs)
progs.plot(xticks=range(len(progs.index)),
use_index=True,
rot=90)