Pascal is a programming language that is used to develop programs. Pascal was developed by Niklaus Wirth in the early 1970s. This program allows the programmers to define complex structured data types and build dynamic and recursive data structures, such as trees, lists and graphs.
Python is a high leveled programming language. Python is made to be highly readable. It uses English keywords, where often as other languages use punctuation. Python was developed by Guido van Rossum in the late eighties and early nineties in Netherlands. Also it has fewer syntax constructions than other languages.
C++ is a statically typed, free-form programming language that supports procedural programming. This program was developed by Bjarne Stroustrup in 1979 in New Jersey. C++ consists a combination of both high level and low level language features.
C# is a general purpose, modern programming language developed by Microsoft. It is developed by Anders Hejlsberg and his team during the development of .Net Framework. C# is alike with Java because it has numerous strong programming features, which make it good for programmers. Overall, C# is widely used because it is object oriented, it has a structed language, and it is part of .NET Framework.