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print "123" # print("123")


    

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def myFunc():
    print('in myFunc')


    

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myFunc()


    

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myFunc


    

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def fib(n):    # write Fibonacci series up to n
     """Print a Fibonacci series up to n."""
     a, b = 0, 1
     while a < n:
         print a,
         a, b = b, a+b


    

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fib(5)


    

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bar()


    

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def bar():
    print('this is bar')
    
def foo():
    print('this is foo')
    bar()


    

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bar()


    

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foo()


    

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def foo1():
    print('this is foo1')
    bar1()
    
def bar1():
    print('this is bar1')


    

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bar1()


    

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foo1()


    

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foo2 = foo1


    

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foo2()


    

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def fib2(n): # return Fibonacci series up to n
     """Return a list containing the Fibonacci series up to n."""
     result = []
     a, b = 0, 1
     while a < n:
         result.append(a)    # see below
         a, b = b, a+b
     return result


    

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fib(4)


    

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fib2(4)


    

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refib = fib(4)
refib2 = fib2(4)
print(refib, type(refib))
print(refib2, type(refib2))


    

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def bar():
    print('in bar')
    return None

def foo():
    print('in foo')
    return


    

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b = bar()
f = foo()
print(b == f)
print(b, type(b))
print(f, type(f))


    

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def bar():
    '''this is bar'''
    print('in bar')
    
def foo():
    """this is foo"""
    print('in foo')


    

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bar()
foo()
print(bar.__doc__)


    

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# --------------------------------------------------------------------------------  
# Copyright (c) 2013 - 2014 Mack Stone. All rights reserved.  
#   
# Permission is hereby granted, free of charge, to any person obtaining a copy  
# of this software and associated documentation files (the "Software"), to deal  
# in the Software without restriction, including without limitation the rights  
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell  
# copies of the Software, and to permit persons to whom the Software is  
# furnished to do so, subject to the following conditions:  
#   
# The above copyright notice and this permission notice shall be included in  
# all copies or substantial portions of the Software.  
#   
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR  
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,  
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE  
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER  
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,  
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN  
# THE SOFTWARE.  
# --------------------------------------------------------------------------------