Difference between revisions of "CSC111 Exercises with Global Variables"

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--[[User:Thiebaut|D. Thiebaut]] ([[User talk:Thiebaut|talk]]) 15:57, 24 April 2014 (EDT)
 
--[[User:Thiebaut|D. Thiebaut]] ([[User talk:Thiebaut|talk]]) 15:57, 24 April 2014 (EDT)
 
----
 
----
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<br />
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=Case 1=
 
<br />
 
<br />
 
{| class="wikitable" style="width:100%;"
 
{| class="wikitable" style="width:100%;"
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</source>
 
</source>
 
|}
 
|}
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<br />
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<!-- ---------------------------------------------------------------------------------------------- -->
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<br />
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=Case  2=
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<br />
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{| class="wikitable" style="width:100%;"
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| style="width: 50%;" |
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<br />
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<source lang="python">
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def f1( x ):
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    print( "f1", x, A )
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A = 3
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print( "A = ", A )
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f1( 30 )
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</source>
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<br />
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|
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<source lang="text">
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>>>
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A =  3
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f1 30 3
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>>>
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</source>
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|}
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<!-- ---------------------------------------------------------------------------------------------- -->
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<br />
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=Case 3 =
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<br />
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{| class="wikitable" style="width:100%;"
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| style="width: 50%;" |
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<br />
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<source lang="python">
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</source>
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<br />
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|
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<source lang="text">
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>>>
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<font color="bue">A =  3</font>
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<font color="red">Traceback (most recent call last):
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  File "/Users/thiebaut/Desktop/PYTHON/globalExercises.py", line 8, in <module>
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    f1( 30 )
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  File "/Users/thiebaut/Desktop/PYTHON/globalExercises.py", line 4, in f1
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    print( "f1", x, A )
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UnboundLocalError: local variable 'A' referenced before assignment</font>
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>>>
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</source>
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|}
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<!-- ---------------------------------------------------------------------------------------------- -->
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<br />
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=Case  =
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<br />
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{| class="wikitable" style="width:100%;"
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| style="width: 50%;" |
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<br />
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<source lang="python">
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</source>
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<br />
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|
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<source lang="text">
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>>>
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 +
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>>>
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</source>
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|}
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<!-- ---------------------------------------------------------------------------------------------- -->
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<br />
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=Case  =
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<br />
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{| class="wikitable" style="width:100%;"
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| style="width: 50%;" |
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<br />
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<source lang="python">
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 +
 +
</source>
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<br />
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|
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<source lang="text">
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>>>
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>>>
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</source>
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|}
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<!-- ---------------------------------------------------------------------------------------------- -->
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<br />
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=Case  =
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<br />
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{| class="wikitable" style="width:100%;"
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| style="width: 50%;" |
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<br />
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<source lang="python">
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 +
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</source>
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<br />
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|
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<source lang="text">
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>>>
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 +
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>>>
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</source>
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|}
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 +
<!-- ---------------------------------------------------------------------------------------------- -->
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<br />
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=Case  =
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<br />
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{| class="wikitable" style="width:100%;"
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| style="width: 50%;" |
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<br />
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<source lang="python">
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 +
 +
</source>
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<br />
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|
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<source lang="text">
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>>>
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 +
 +
>>>
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</source>
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|}
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Revision as of 18:16, 24 April 2014

--D. Thiebaut (talk) 15:57, 24 April 2014 (EDT)


Case 1



A = 3

def f1( x ):
    print( "f1", x, A )

print( "A = ", A )
f1( 30 )



>>> 
A =  3
f1 30 3
>>>




Case 2



def f1( x ):
    print( "f1", x, A )

A = 3
print( "A = ", A )
f1( 30 )



>>> 
A =  3
f1 30 3
>>>


Case 3







>>> 
<font color="bue">A =  3</font>
<font color="red">Traceback (most recent call last):
  File "/Users/thiebaut/Desktop/PYTHON/globalExercises.py", line 8, in <module>
    f1( 30 )
  File "/Users/thiebaut/Desktop/PYTHON/globalExercises.py", line 4, in f1
    print( "f1", x, A )
UnboundLocalError: local variable 'A' referenced before assignment</font>

>>>


Case







>>> 


>>>


Case







>>> 


>>>


Case







>>> 


>>>


Case







>>> 


>>>



















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