One of the first caveats programmers come across when learning Python is the reality that there are no braces to point to blocks of code for class and function definitions or flow control. Blocks of code are indicated by line indentation, which is strictly enforced.
A number of spaces in the indentation is variable, but all statements in the block must be concave the same amount. Both blocks in this illustration are fine:
if True:
print "True"
else:
print "False"
On the other hand, the second block in this instance will generate an error:
if True:
print "response"
print "True"
else:
print "response"
print "False"
Thus, in Python all the continuous lines indented with same number of spaces would form a block.

Posted Date: 5/5/2012 3:12:30 AM | Location : United States

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