indentationerror 3a unexpected indent

1# Python uses spacing at the start of the line to determine when code blocks start and end. 
2# Errors you can get are:
3
4def a():
5...print "foo"
6...     print "bar"
7IndentationError: unexpected indent
8
9>>>   print "hello"
10IndentationError: unexpected indent

1#Check if all your code is spaced corectly!