Overview:
- The not keyword implements the negate operator or logical complement in Python.
- The not is a unary operator. It takes only operand and returns the complement of it.
Truth table of the Python not operator:
|
Operand |
Result |
|
True |
False |
|
False |
True |
Ven diagram of the Python not operator:
Example 1:
|
# Example python program using not operator
switch = False for i in range(1,10): # toggle using negate every time switch = not switch print(switch) |
Output 1:
|
True False True False True False True False True |
Example 2:
|
# Example python program using not operator
def CloseOrderBook(): print("Order book closed successfully")
marketOpen = False
if not marketOpen: CloseOrderBook() print("Market closed")
|
Output 2:
|
Order book closed successfully Market closed
|