import numpy as np import pandas as pd import matplotlib.pyplot as plt plt.rc('figure', figsize=(10, 6)) PREVIOUS_MAX_ROWS = pd.options.display.max_rows pd.options.display.max_columns = 20 pd.options.display.max_rows = 20 pd.options.display.max_colwidth = 80 np.set_printoptions(precision=4, suppress=True)
# a very large list of strings strings = ['foo', 'foobar', 'baz', 'qux', 'python', 'Guido Van Rossum'] * 100000 method1 = [x for x in strings if x.startswith('foo')] method2 = [x for x in strings if x[:3] == 'foo']
%time method1 = [x for x in strings if x.startswith('foo')] %time method2 = [x for x in strings if x[:3] == 'foo']
pd.options.display.max_rows = PREVIOUS_MAX_ROWS
