Interview Questions and Answers For Freshers

21.What are tuples in Python? A tuple is another sequence data type that is similar to the list. A tuple consists of a number of values separated by commas. Unlike …

11.What is the output of print str[2:5] if str = ‘Hello World!’? It will print characters starting from 3rd to 5th. Output would be llo.

1.What is Python? Python is a high-level, interpreted, interactive and object-oriented scripting language. Python is designed to be highly readable. It uses English keywords frequently where as other languages use …

41.How will you add an element to a hash? Adding a new key/value pair can be done with one line of code using simple assignment operator. #!/usr/bin/perl %data = (‘John …

31.How will you convert an array to string? join() function joins the separate strings of LIST into a single string with fields separated by the value of EXPR, and returns …

21.What is the purpose of _PACKAGE_ literal? It is used to get the current package name.

11,What is variable context in perl? Perl treats same variable differently based on Context, i.e. situation where a variable is being used.

1.What is Perl? Perl is a stable, cross platform programming language. Though Perl is not officially an acronym but few people used it as Practical Extraction and Report Language. It …

41.How will you delete a file using Node? Following is the syntax of the method to delete a file: fs.unlink(path, callback) Parameters Here is the description of the parameters used: …

31.What are streams? Streams are objects that let you read data from a source or write data to a destination in continous fashion.