None placeholder : Variable : Introduction PYTHON TUTORIALS

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None placeholder


X = None                                     # None placeholder
print X 
L = [None] * 100                             # Initialize a list of 100 Nones
print L 

print type(L)                                # Types
print type(type(L))                          # Even types are objects

Related Scripts with Example Source Code in same category :

A variable is basically a name that represents some value
Sequence Unpacking
A literal is a number or string that appears directly in a program.
Python is dynamically typed, no pre-declaration of a variable or its type is necessary.
Once a variable has been assigned, you can access it by using its name

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