ABCD Data Scientist Interview Questions and Answers

To swap two numbers, store one number in a temporary variable, then assign the second number to the first, and finally assign the temporary variable to the second number.

• Store one number in a temporary variable

• Assign the second number to the first number

• Assign the temporary variable to the second number

Printing hello world is a common introductory programming task.

• Use a print statement in the programming language of your choice.

• For example, in Python: print('Hello, World!')

• In Java: System.out.println('Hello, World!')