Update index.md (#21037)

Clarified some grammar and style

guide/english/python/basic-operators/index.md

@@ -3,7 +3,7 @@ title: Basic Operators
 ---
 ## Basic Operators
 
-Operators are symbols which tells the interpreter to do a specific operation (viz arithmetic, comparison, logical, etc.)
+Operators are symbols that tell the interpreter to do a specific operation (e.g. arithmetic, comparison, logical, etc.)
 
 The different types of operators in Python are listed below:
 
@@ -19,7 +19,7 @@ The different types of operators in Python are listed below:
 
 An arithmetic operator takes two operands as input, performs a calculation and returns the result. 
 
-Consider the expression, <b>“a = 2 + 3”</b>. Here, `2` and `3` are the <i>operands</i> and `+` is the <i>arithmetic operator</i>. The result of the operation is stored in the variable a.
+Consider the expression, <b>“a = 2 + 3”</b>. Here, `2` and `3` are the <i>operands</i> and `+` is the <i>arithmetic operator</i>. The result of the operation is stored in the variable a. (This is because `=` is an assignment operator. See below.)
 
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@@ -69,11 +69,11 @@ Consider the expression, <b>“a = 2 + 3”</b>. Here, `2` and `3` are the <i>op
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-Note: To get the result in floating type, one of the operands must also be of float type.
+Note: To get the result as floating type, one of the operands must also be of float type.
 
 #### Comparison (Relational) Operators
 
-A comparison or relational operator is used to compare two operands to decide a relation between them. It returns a boolean value based on the condition.
+A comparison or relational operator is used to compare two operands to determine the relationship between them. It returns a boolean value based on the condition.
 
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@@ -115,9 +115,9 @@ A comparison or relational operator is used to compare two operands to decide a
 
 #### Bitwise Operators
 
-A bitwise operator performs operations on the operands bit by bit
+A bitwise operator performs operations on the operands bit by bit.
 
-Consider a = 2 (in binary notation, 10) and b = 3 (in binary notation, 11) for the below usages
+Consider a = 2 (in binary notation, 10) and b = 3 (in binary notation, 11) for the below usages.
 
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@@ -159,7 +159,7 @@ Consider a = 2 (in binary notation, 10) and b = 3 (in binary notation, 11) for t
 
 
 #### Assignment Operators
-An assignment operator is used to assign values to a variable. This is usually combined with other operators (like arithmetic, bitwise) where the operation is performed on the operands and the result is assigned to the left operand.
+An assignment operator is used to assign values to a variable. This is usually combined with other operators (like arithmetic, bitwise, etc.) where the operation is performed on the operands and the result is assigned to the left operand.
 
 Consider the following examples,
 <br>
@@ -257,7 +257,7 @@ A logical operator is used to make a decision based on multiple conditions. The
 
 #### Membership Operators
 
-A membership operator is used to identify membership in any sequence (lists, strings, tuples). 
+A membership operator is used to identify membership in any sequence (e.g. lists, strings, tuples). 
 <br>`in` and `not in` are membership operators
 
 <br>`in` returns True if the specified value is found in the sequence. Returns False otherwise.
@@ -292,7 +292,7 @@ An identity operator is used to check if two variables share the same memory loc
 <br>`is` returns True if the operands refer to the same object. Returns False otherwise.
 <br>`is not` returns True if the operands do not refer to the same object. Returns False otherwise.
 
-Please note that two values when equal, need not imply they are identical.
+Please note that two values being equal does not necessarily require they be identical.
 
 ###### Example Usage