what is the difference between = and == in python?
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The = is a simple assignment operator. It assigns values from right side operands to the left side operand. While on the other hand == checks if the values of two operands are equal or not. If yes, the condition becomes true and it returns a non zero value.
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An If Statement in Python is used for decision-making operations. It runs the body of code only when the condition given in the IF statement is true. ... When you want to justify one condition while the other condition is not true, then you use "if statement".
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equals() checks if two objects are the same or not and returns a boolean. compareTo() (from interface Comparable) returns an integer. It checks which of the two objects is "less than", "equal to" or "greater than" the other. ... Note that equals() doesn't define the ordering between objects, which compareTo() does.
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We can use == operators for reference comparison (address comparison) and . equals() method for content comparison. In simple words, == checks if both objects point to the same memory location whereas . equals() evaluates to the comparison of values in the objects.
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Equals(b) or a == b ? The Equals() and == operator are used for comparison and both returns the boolean value (true/false). For Value Type == and Equals() works in the same way, both compare two object by value. ... Equals(b) returns true , because in this case both compare two object by value.
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The == operator tests whether two variables have the same references (aka pointer to a memory address). Whereas the equals() method tests whether two variables refer to objects that have the same state (values). You will have to override the equals function (along with others) to use this with custom classes.
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Difference between 'and' and '&' in Python. and is a Logical AND that returns True if both the operands are true whereas '&' is a bitwise operator in Python that acts on bits and performs bit by bit operation.
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Equality operators: == and != ), have lower precedence than the relational operators, but they behave similarly. The result type for these operators is bool . The equal-to operator ( == ) returns true if both operands have the same value; otherwise, it returns false . The not-equal-to operator ( !=
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equals() method for content comparison. In simple words, == checks if both objects point to the same memory location whereas . equals() evaluates to the comparison of values in the objects. Explanation: Here we are creating two objects namely s1 and s2.
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You should not use == (equality operator) to compare these strings because they compare the reference of the string, i.e. whether they are the same object or not. On the other hand, equals() method compares whether the value of the strings are equal, and not the object itself.
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Assignment operators are used in Python to assign values to variables. a = 5 is a simple assignment operator that assigns the value 5 on the right to the variable a on the left. There are various compound operators in Python like a += 5 that adds to the variable and later assigns the same.
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= Vs == VS === in JavaScript = in JavaScript is used for assigning values to a variable. == in JavaScript is used for comparing two variables, but it ignores the datatype of variable. === is used for comparing two variables, but this operator also checks datatype and compares two values.
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The referential equality (using === , == or Object.is() ) determines whether the operands are the same object instance. The manual equality check requires a manual comparison of properties' values.
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The is operator compares the identity of two objects while the == operator compares the values of two objects. There is a difference in meaning between equal and identical. ... The is operator evaluates to true if the variables on either side of the operator point to the same object and false otherwise.
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raw_input() takes whatever is typed on the console and returns it as a string. input() takes whatever is typed on the console and evaluates it as a python statement. It is required that you type a syntactically correct statement. input() works the same way as raw_input() does in Python2.
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== compares two variables irrespective of data type while === compares two variables in a strict check, which means it checks for data type also then it returns true or false.
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The equals() method of the String class is not same as the equals() method of the Object class. It is overridden, this method accepts a String value and compares it with the current object and returns true only if the character sequences in the both String objects are exactly same.