%lsmagic

%matplotlib inline
import numpy as np
import matplotlib.pyplot as plt

%timeit np.linalg.eigvals(np.random.rand(100,100))

%%timeit a = np.random.rand(100, 100)
np.linalg.eigvals(a)

%%capture capt
from __future__ import print_function
import sys
print('Hello stdout')
print('and stderr', file=sys.stderr)

capt.stdout, capt.stderr

capt.show()

%%writefile foo.py
print('Hello world')

%run foo

%%script python
import sys
print 'hello from Python %s' % sys.version

%%script python3
import sys
print('hello from Python: %s' % sys.version)

%%ruby
puts "Hello from Ruby #{RUBY_VERSION}"

%%bash
echo "hello from $BASH"

%%script ./lnum.py
my first line
my second
more

%%bash
echo "hi, stdout"
echo "hello, stderr" >&2


%%bash --out output --err error
echo "hi, stdout"
echo "hello, stderr" >&2

print(error)
print(output)

%%ruby --bg --out ruby_lines
for n in 1...10
    sleep 1
    puts "line #{n}"
    STDOUT.flush
end

ruby_lines

print(ruby_lines.read())