Adding python stuff from manchester repo
Update 0_Variables_Types.md

Changed until type conversion
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Adding shell
Update Readme.md

Added my name
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Nearly there
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Complete, I think
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Added string + number
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Update 1_Data_Types.md

Take 1
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Done
Update 1_Data_Types.md

Changed last part of append, extend.
Merge pull request #102 from karinlag/2013-05-krakow

the first python exercises