Table of Contents

## How do you write an if-else in one line in Python?

Python if.. elif..else in one line

- First of all condition2 is evaluated, if return True then expr2 is returned.
- If condition2 returns False then condition1 is evaluated, if return True then expr1 is returned.
- If condition1 also returns False then else is executed and expr is returned.

## Can we write if-else into one line in Python yes no if-else not used in Python none of the above?

Can we write if/else into one line in python? Explanation: Yes, we can write if/else in one line.

**Is there ternary operator in Python?**

Similarly the ternary operator in python is used to return a value based on the result of a binary condition. It takes binary value(condition) as an input, so it looks similar to an “if-else” condition block.

### Does Python have inline if?

One line if statement in Python (ternary conditional operator) – Python Central.

### WHAT IS NULL value in Python?

Share. Python Null object is the singleton None. There’s no null value in Python; instead, there’s None. The equivalent of the null keyword in Python is None.

**How do you write XOR in Python?**

Let’s understand each operator one by one. Bitwise AND operator: Returns 1 if both the bits are 1 else 0. Bitwise or operator: Returns 1 if either of the bit is 1 else 0….Bitwise operators.

OPERATOR | DESCRIPTION | SYNTAX |
---|---|---|

^ | Bitwise XOR | x ^ y |

>> | Bitwise right shift | x>> |

<< | Bitwise left shift | x<< |

#### What is XOR example?

Examples: 1 XOR 1 = 0. 0 XOR 1 = 1. 0 XOR 0 = 0. 11102 XOR 10012 = 01112 (this is equivalent to addition without carry)

#### How do you get XOR 2 numbers in Python?

Use the XOR operator ^ between two values to perform bitwise “exclusive or” on their binary representations. When used between two integers, the XOR operator returns an integer. When performing XOR on two booleans, True is treated as 1 , and False is treated as 0 . XOR between two booleans returns a boolean.

**How is XOR calculated?**

To find XOR of more than two numbers, represent all numbers in binary representation, add 0’s before if necessary. To find each bit of XOR just calculate number of 1’s in the corresponding bits. If it is even or zero then that XOR’ed bit is 0. If it is odd then that XOR’ed bit is 1.

## What is XOR equal to?

XOR represents the inequality function, i.e., the output is true if the inputs are not alike otherwise the output is false. A way to remember XOR is “must have one or the other but not both”. XOR can also be viewed as addition modulo 2….XOR gate.

Input | Output | |
---|---|---|

1 | 1 | 0 |

## What is XOR in coding?

XOR is the exclusive OR operator in C programming, yet another bitwise logical operator. In the XOR operation, bits are compared with one another, just like the & and | operators. When two bits are identical, XOR coughs up a 0. When the two bits are different, XOR spits out a 1.

**What is a XOR 1?**

XOR is a logical operator that works on bits. Let’s denote it by ^ . If the two bits it takes as input are the same, the result is 0 , otherwise it is 1 . This implements an exclusive or operation, i.e. exactly one argument has to be 1 for the final result to be 1 .

### What is XOR problem?

The XOR, or “exclusive or”, problem is a classic problem in ANN research. It is the problem of using a neural network to predict the outputs of XOR logic gates given two binary inputs. An XOR function should return a true value if the two inputs are not equal and a false value if they are equal.

### What is XOR array?

Approach: In order to find the XOR of all elements in the array, we simply iterate through the array and find the XOR using ‘^’ operator. For each element in the array, find the XOR of the element and the result variable using ‘^’ operator. Finally, the result variable stores the XOR of all elements in the array.

**Does XOR order matter?**

Important properties of XOR This is clear from the definition of XOR: it doesn’t matter which way round you order the two inputs. This means that XOR operations can be chained together and the order doesn’t matter. This means that any value XOR’d with zero is left unchanged.

#### Can you XOR 3 inputs?

For 3-input XOR gates, we can have the HIGH input when odd numbers of inputs are at HIGH level. So the 3-input OR gate is called as “Odd functioned OR gate”.

#### Is XOR reversible?

No, unless one of its inputs is constant (but then the XOR gate is either a pass-through or a NOT gate). Two independent arbitrary inputs that lead to one output cannot be injective, that is, reversible.

**How do you find the XOR of n numbers?**

1- Traverse all numbers from 1 to n. 2- Do XOR of numbers one by one with result….Method 2 (Efficient method) :

- Find the remainder of n by moduling it with 4.
- If rem = 0, then xor will be same as n.
- If rem = 1, then xor will be 1.
- If rem = 2, then xor will be n+1.
- If rem = 3 ,then xor will be 0.

## How do you find the two numbers when XOR is given?

More videos on YouTube

- Find two numbers from their sum and XOR | Set 2.
- Count pairs from 1 to N such that their Sum is divisible by their XOR.
- Maximize count of pairs whose bitwise XOR is even by replacing such pairs with their Bitwise XOR.
- Count ordered pairs of positive numbers such that their sum is S and XOR is K.

## What is right shift operator in Python?

Python right shift operator is exactly the opposite of the left shift operator. Then left side operand bits are moved towards the right side for the given number of times. In simple terms, the right side bits are removed.

**How do you shift a number in Python?**

Write a function cycle( S, n ) that takes in a string S of ‘0’s and ‘1’s and an integer n and returns the a string in which S has shifted its last character to the initial position n times. For example, cycle(‘1110110000’, 2) would return ‘0011101100’.

### How do I use Bitarray in Python?

Declaring the Bitarray Object:

- 1) An empty python bitarray object. from bitarray import bitarray arr = bitarray() arr.append(False) arr.append(True) arr.
- 2) Declaring an empty bitarray object of specified size: arr = bitarray(2**5)
- 3) Declaring a bitarray using string:
- 4)Declaring a bitarray object with list/tuple:

### What does >> mean in Python?

These are bitwise shift operators. Quoting from the docs: x << y. Returns x with the bits shifted to the left by y places (and new bits on the right-hand-side are zeros). This is the same as multiplying x by 2**y . x >> y.

**What is a Bytearray in Python?**

bytearray() method returns a bytearray object which is an array of given bytes. It gives a mutable sequence of integers in the range 0 <= x < 256. source parameter can be used to initialize the array in few different ways.

#### How do I extract a bit in Python?

*/ Step 1 : first convert the number into its binary form using bin(). Step 2 : remove the first two character. Step 3 : then extracting k bits from starting position pos from right.so, the ending index of the extracting substring is e=len(bi)-pos and starting index=e-k+1 Step 4 : extract k bit sub-string.

#### How do you represent binary in Python?

In Python, you can simply use the bin() function to convert from a decimal value to its corresponding binary value. And similarly, the int() function to convert a binary to its decimal value. The int() function takes as second argument the base of the number to be converted, which is 2 in case of binary numbers.

**How do you call a function in Python?**

How to call a function in python? Once we have defined a function, we can call it from another function, program or even the Python prompt. To call a function we simply type the function name with appropriate parameters.

## How do you calculate binary numbers?

To convert integer to binary, start with the integer in question and divide it by 2 keeping notice of the quotient and the remainder. Continue dividing the quotient by 2 until you get a quotient of zero. Then just write out the remainders in the reverse order. Here is an example of such conversion using the integer 12.

## What is 11111 in binary code?

DECIMAL NUMBERS IN BINARY

Decimal | Binary |
---|---|

29 | 11101 |

30 | 11110 |

31 | 11111 |

32 | 100000 |

**What does 101 mean in binary?**

1100101