dketov

# -*- encoding: utf-8 -*-
"""
Определение и использование
"""

a = 3                     # name created
b = 4

print b * 3, b / 2        # multiplication (4*3), division (4/2)

dketov

# -*- encoding: utf-8 -*-
"""
Неявное преобразование целых в вещественные
"""

a = 3                     # name created
b = 4

print 2 + 4.0, 2.0 ** b   # mixed-type conversions

dketov

# -*- encoding: utf-8 -*-
"""
Единица - это истина
"""

if 1:
     print 'true'

if not 1:
     print 'true'

dketov

# -*- encoding: utf-8 -*-
"""
Сага о кавычках
"""

print 'spam eggs'

print 'doesn\'t'

print "doesn't" 

dketov

# -*- encoding: utf-8 -*-
"""
Вывод строки
"""

i = 256 * 256
print 'The value of i is', i

dketov

# -*- encoding: utf-8 -*-
"""
Определение
"""

a = ['spam', 'eggs', 100, 1234]
print a

dketov

# -*- encoding: utf-8 -*-
"""
Двумерный список
"""

matrix = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]

print matrix[1]
[4, 5, 6]

dketov

# -*- encoding: utf-8 -*-
"""
Определение
"""

d = {"A":"a", "B":"b"}     
print d 

print d["A"]

dketov

# -*- encoding: utf-8 -*-
"""
Определение
"""

t = ()
print t
t = 12345, 54321, 'hello!'
print t[0]
print t

dketov

# -*- encoding: utf-8 -*-
"""
Открытие файла
"""

#open() returns a file object, and is most commonly used with two arguments: 
#"open(filename, mode)".

f=open('/tmp/workfile', 'w')
print f