Page 148 - TrackpadV2.1_Class8
P. 148
Operator Precedence
An arithmetic expression without parentheses will be evaluated from left to right using the rule of
precedence of operators.
Priority Operator Name
First () Parenthesis
Second ** Exponent
Third *, /, %, // Multiplication, Division, Modulus, Floor Division
Fourth +, – Addition, Subtraction
Fifth ==, !=, >, <, >=, <= Comparison
Sixth =, +=, -=, *=, /=, %=, **=, //= Assignment
Seventh and, or, not Logical
Write a program to use operators in Python.
Which type of applications can be developed in Python?
PUNCTUATORS
Punctuators are also called separators as they are used to separate lines of codes, variables, etc.
The following characters are used as punctuators in Python: ` # \ () [] {} @ , : . ‘ =
Brackets [] indicate list.
Parentheses () indicate tuples, function calls, function parameters for grouping expressions
etc.
Comma (,) is used as a separator in a function argument list or variable declaration.
Colon (:) indicates a labelled statement or conditional operator symbol.
Equal sign (=) is used to initialise the value of variable.
146 Trackpad (V2.1)-VII

