# CTRL-m h
# CTRL-ENTER
1 + 2
# ALT-ENTER
# SHIFT-ENTER
[x * 2 for x in range(5)]
# CTRL-m a
# CTRL-m b
import IPython
# <CTRL-ENTER>
# IP<TAB>.<TAB>
# zip(<SHIFT-ENTER>
# zip?<CTRL-ENTER>
# zip??<CTRL-ENTER>
# A
# CTRL-SHIFT--
# B
ls
# SHIFT-ENTER
x = 1
y = 2
whos
timeit 10 ** 10
timeit pow(10, 10)
MathJax $a^2 + b^2 = c^2$