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Operators in python
- 2. OPERATORS IN PYTHON 10/11/2021 OPEARATORS IN PYTHON 2 Arithmetic Operators Relational Operators Logical Operators Bitwise Operator Assignment Operator Special Operator
- 3. ARITHMETIC OPERATORS IN PYTHON Arithmetic operators are used to perform mathematical operations like addition, subtraction, multiplication, etc. 10/11/2021 OPEARATORS IN PYTHON 3 Operator Description Syntax + Add two operands or unary plus x+y+2 - Subtract right operand from the left or unary minus x-y-2 * Multiply two operands x*y ** Exponent - left operand raised to the power of right x**y / Divide left operand by the right one (always results into float) x/y // Floor division - division that results into whole number adjusted to the left in the number line x//y % Modulus - remainder of the division of left operand by the right x%y
- 4. ARITHMETIC OPERATORS IN PYTHON Practical approach : Arithmetic operators execution with output 10/11/2021 OPEARATORS IN PYTHON 4
- 5. COMPARISION OPERATORS IN PYTHON Comparison operators are used to compare values. It returns either True or False according to the condition. 10/11/2021 OPEARATORS IN PYTHON 5 Operator Description Syntax > Greater than - True if left operand is greater than the right x>y < Less than - True if left operand is less than the right y<x == Equal to - True if both operands are equal x==y != Not equal to - True if operands are not equal x!=y >= Greater than or equal to - True if left operand is greater than or equal to the right x>=y <= Less than or equal to - True if left operand is less than or equal to the right x<=y
- 6. COMPARISION OPERATORS IN PYTHON Practical approach : Comparision operators execution with output 10/11/2021 OPEARATORS IN PYTHON 6
- 7. BITWISE OPERATORS IN PYTHON Bitwise operators act on operands as if they were strings of binary digits. They operate bit by bit, hence the. 10/11/2021 OPEARATORS IN PYTHON 7 Operator Description Syntax & Bitwise and x & y | Bitwise or x|y ~ Bitwise not ~x ^ Bitwise XOR x ^ y >> Bitwise right shift x>>y << Bitwise left shift x<<y
- 8. Truth Table AND OR Ex-OR A B A &B 0 0 0 0 1 0 1 0 0 1 1 1 A B A |B 0 0 0 0 1 1 1 0 1 1 1 1 A B A |B 0 0 0 0 1 1 1 0 1 1 1 0
- 11. Not operator Bitwise (Not) one's compliment operator will invert the binary bits. If a bit is 1, it will change it to 0. If the bit is 0, it will change it to 1. The ones' complement binary numeral system is characterized by the bit complement of any integer value being the arithmetic negative of the value.
- 12. BITWISE OPERATORS IN PYTHON Practical approach : Bitwise operators execution with output 10/11/2021 OPEARATORS IN PYTHON 12
- 13. LOGICAL OPERATORS IN PYTHON Logical operators are and,or & not operators. It returns either True or False according to the operator. Practical approach : Comparision operators execution with output 10/11/2021 OPEARATORS IN PYTHON 13 Operator Description Syntax and True if both the operands are true x and y or True if either of the operands is true x or y not True if operand is false (complements the operand) x not y
- 14. ASSIGNMENT OPERATORS IN PYTHON Assignment operators are used to assign values to variables. There are various compound operators in Python like a+=5 that adds to the variable and later assigns the same. It is equivalent to a=a+5 10/11/2021 OPEARATORS IN PYTHON 14 Operator Example Equivalent to = x=7 x=7 += x+=7 x=x+7 -= x-=7 x=x-7 *= x*=7 x=x*7 /= x/=7 x=x/7 //= x//=7 x=x//7 %= x%=7 x=x%7 **= x**=7 x=x**7 &= x&=7 x=x&7 |= x|=7 x=x|7 ^= x^=7 x=x^7 >>= x>>=7 x=x>>7 <<= x<<=7 x<<7
- 15. Special Operators Identity operator is and is not are the identity operators in Python. They are used to check if two values (or variables) are located on the same part of the memory. Membership Operator in and not in are the membership operators in Python. They are used to test whether a value or variable is found in a sequence (string,list,tuple,set and dictionary)
- 16. Difference between is and == operator The is keyword is used to test if two variables refer to the same object. The test returns True if the two objects are the same object. The test returns False if they are not the same object, even if the two objects are 100% equal. Use the == operator to test if two variables are equal.
- 17. SPECIAL OPERATORS IN PYTHON Practical approach : special operators execution with output 10/11/2021 OPEARATORS IN PYTHON 17
- 18. Python Operator Precedence Precedence Operator Sign Operator Name Highest () Parentheses ** Exponent +x,-x,~x Unary plus, Unary minus, Bitwise NOT *,/,//,% Multiplication, Division, Floor division, Modulus +,- Addition, Subtraction <<,>> Bitwise shift operator & Bitwise AND ^ Bitwise XOR | Bitwise OR Lowest ==,!=,>,>=,<,<=,is,is not,in,not in Comparision,Ident ity ,Membership operators