def add(a,b):
    return a+b

print add(1,2)
print add('abc', 'def')
print add([1, 2, 3], [4, 5, 6])

a=[12, 'abcde', 4+2j, [3,4,5]]
a.append('add')
print a;

print 4+5
print "Hello World!"

print 4 + 5
print 12 - 32
print (4 + 5) * 6
print 4 + 5 * 6
print
print 9 / 5 # 정수/정수 연산 결과는 정수. 그래서 몫만 계산결과로 나온다.
print - (9 / 5)
print
print 9.0 / 5.0
print 9 / 5.0
print
print 9.0 // 5.0 # 몫 연산자
print
print 2 ** 3

print -9 / 5
print 5 * (-2) + 1

print 9 % 5
print -9 % 5

print 1 / 2
print -1 / 2
print 1 / -2
print -1 / -2

print divmod(9, 5)
a, b = divmod(9, 5)
print a
print b
print
c, d = (10, 11)
print c
print d

print divmod(1, 2)
print divmod(-1, 2)
print divmod(1, -2)
print divmod(-1, -2)

print 5.
print 5.0
print 5.4e10
print 5e10
print -5e-3

import sys
print sys.maxint
print -sys.maxint-1

print 'Hello'
print "Hi there!"

a = 'My name is '
b = 'Amenda'
print a + b

raise SystemExit

import sys
print sys.version
print
print sys.version_info

import os
print os.getcwd()  #ipython 실행후 프롬프트에서 %pwd
print
%run /Users/yhhan/git/ipython/cal.py  #cmd 창 내에서 해당 폴더로 이동 후 ipython cal.py

execfile('/Users/yhhan/git/python/cal.py')

import modfile
modfile.s
modfile.add(8,9)

from turtle import *
reset()
forward(100)
left(90)
forward(100)
left(90)
forward(100)
left(90)
forward(100)
left(90)

import matplotlib.pyplot as plt
plt.plot([1,2,3,4,5,6], [1,4,9,16,25,36])
plt.ylabel('some numbers')
plt.show()

help(sys)
?sys

help(sys.exit)
?sys.exit