Tuesday, 22 May 2018

Chaudhari Karan

Python Basic Operator

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Python Basic Operator

Hello friends, In this lecture, we will discuss python basic operator.
Python Basic Operator


Operators are constructed to manipulate the value of operands.
For example Consider 1+2=3. Here 1 & 2 are operands and + is the operator.

Types of the operator:

There are seven types of the operator in python.
  • ·         Arithmetic Operator
  • ·         Assignment Operator
  • ·         Bitwise Operator
  • ·         Comparison Relational Operator
  • ·         Identity Operator
  • ·         Logical Operator
  • ·         Membership Operator

Now discuss all the operator one by one.

Arithmetic Operator:

Operator
                                                          Description
+(Addition)
Add the  values
-(Subtraction)
Subtract  the values
*(Multiplication)
Multiples the values
/(Division)
Divide the values
%(Modulus)
Divides left-hand value by right-hand value and returns the remainder
**(Exponent)
Exponential power calculation
//(Floor Division)
After division result is the quotient after the decimal point is removed. But a negative result is floored

Example:
Python Basic Operator

Output:
Python Basic Operator


Assignment Operator:

Operator
                                                       Description
=
Assign the value from right to left side operands
+=(Add AND)
It add value from right to left operands and it is stored in left operand
-=(Subtract AND)
It subtract value from right to left operands and it is stored in left operand
*=(Multiply AND)
It multiply value from right to left operands and stored in left operand
/=(Division AND)
It divide value from right to left operands and stored in left operand
%=(Modulus AND)
It modulus two operands and assign the value in left operand
**=(Exponent AND)
It perform exponential power calculation on operators and assign value in left operand
//=Floor Division
It floor division on operators and assign value in left operand

Example:
Python Basic Operator

Output :
Python Basic Operator

Bitwise Operator:

Bitwise operator works on the bit. It is performed bit by bit operation.
Operator
                                                             Description
&(Binary AND)
Operator copies the bit in result if it exist in both operands
|(Binary OR)
Copies the bit if it exist in either operands
^(Binary XOR)
Copies the bit if it is set in one operand, but not in both operands
~(Binary Ones Complement)
It is the unary and effect of the flipping bits
<<(Binary Left Shift)
The left operand value move left by number of bits, it is specified by right operand
>>(Binary Right Shift)
The left operand value move right by number of bits, it is specified by right operand

Example :
Python Basic Operator

Output :
Python Basic Operator

Comparison Relational Operator :

These operators compare the value  and decide the relation to among them. These operators are known as Comparison relational operator.
Operator
                                                        Description
==
If two operands value are equal then condition become true
!=
If two operands value are not equal then condition become true
<> 
If two operands value are not equal then condition become true. It is similar to != operator
< 
If left operand value less than right operand, then condition become true
> 
If left operand value greater than right operand, then condition become true
<=
If left operand value less or equal than right operand, then condition become true
>=
If left operand value grater or equal than right operand, then condition become true

Example :
Python Basic Operator

Output:
Python Basic Operator

Identity Operator:

These operator used for compares the memory location of objects.
Operator
                                                          Description
Is
If evaluates true, variables on operator point to object otherwise false
is not
It evaluates false, variables on operator point to the object otherwise true

Example:
Python Basic Operator

Output:
Python Basic Operator

Logical Operator:

These operators used to reverse the logical state of the operand.

Membership Operator:

Operator
                                                          Description
in
It evaluates true if find the variable in the specified sequence and false otherwise
not in
It evaluates true it does not find the variable in the specified sequence and false otherwise

Example:
Python Basic Operator

Output:
Python Basic Operator


Next: In next lecture, we will discuss Python Decision Making.


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