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GeezerVison is showing github.com — programmingWithPythonCode/simple_datatypes/none.py at main · thomasWeise/programmingWithPythonCode Expand file tree/ Copy pathnone.pyMore file actions 18 lines (15 loc) · 763 Bytes / Copy pathnone.pyFile metadata and controls18 lines (15 loc) · 763 Bytes 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 None # Prints nothing. print(None) # Prints "None". # The use the equality comparisons via == is discouraged if None may # be involved. We do it here anyway, just to see what it does. 1 == None # False "Hello World!" == None # also False # Different from 'nan == nan', which is False, 'None == None' is... None == None # ...True # It is encouraged to use 'is' instead, which checks object identity # (not equality like ==). 1 is None # False "Hello World!" is None # False None is None # True print(print("Hello World!")) # Prints "Hello World!" and "None". type(None) # None is the only instance of NoneType |
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