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Algorithms and Data Structures

IPython

Łódź

2012

IPython – ipython.org

M Kociński & A Materka, Algorithms & Data Structures, TUL IFE,

Łódź

2012

IPython

Mac OS

M Kociński & A Materka, Algorithms & Data Structures, TUL IFE,

Łódź

2012

PyLab – Interac<ve Python

Enviroment

x = arange(100.)

plot(x,sin(x*pi/50))

#Now change display op<on

hold(False)

plot(x,cos(x*pi/50))

# and

hold(True)

plot(x,sin(x*pi/50))

plot(x,cos(x*pi/50))

M Kociński & A Materka, Algorithms & Data Structures, TUL IFE,

Łódź

2012

IPython Introducion

STANDARD PYTHON

In [1]: a=1

In [2]: a

Out [2]: 1

AVALIABLE VARIABLES

In [3]: b = [1,2,3]

# Comments # (to the end of the line)

WARNING: %reset also removes the names imported

# List available variables

by PyLab.

In [4]: %whos

In [7]: plot

NameError: name 'plot' is not deﬁned

Variable Type Data/Info

# Reload

-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐

In [8]: %pylab

a int 1

Welcome to pylab, a matplotlib-‐based Python

b list n=3

environment…

M Kociński & A Materka, Algorithms & Data Structures, TUL IFE,

Łódź

2012

RESET & RELOAD

# Reset user deﬁned variables

In [5]: %reset

Once deleted, variables cannot be recovered. Proceed

(y/[n])? y

# Let’s check our namespace

In [6]: %whos

Interac(ve namespace is empty.

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