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PROBLEM SOLVING AND PYTHON PROGRAMMING QUIZ

1) What is the first step in problem-solving? A) Writing code B) Debugging C) Understanding the problem D) Optimizing the solution Answer: C 2) Which of these is not a step in the problem-solving process? A) Algorithm development B) Problem analysis C) Random guessing D) Testing and debugging Answer: C 3) What is an algorithm? A) A high-level programming language B) A step-by-step procedure to solve a problem C) A flowchart D) A data structure Answer: B 4) Which of these is the simplest data structure for representing a sequence of elements? A) Dictionary B) List C) Set D) Tuple Answer: B 5) What does a flowchart represent? A) Errors in a program B) A graphical representation of an algorithm C) The final solution to a problem D) A set of Python modules Answer: B 6) What is pseudocode? A) Code written in Python B) Fake code written for fun C) An informal high-level description of an algorithm D) A tool for testing code Answer: C 7) Which of the following tools is NOT commonly used in pr...

Functions

FUNCTIONS
C enables its programmers to break up a program into segments commonly known as functions, each of which can be written more or less independently of the others. Every function in the program is supposed to perform a well-defined task. Therefore, the program code of one function 
is completely insulated from the other functions.
Every function interfaces to the outside world in terms of how information is transferred to it and how results generated by the function are transmitted back from it. This interface is basically specified by the function name. For example, look 
at below figure which explains how the main() function calls another function to perform a well-defined task.
Fig: main() calls func1()
In the figure, we can see that main() calls a function named func1(). Therefore, main() is known as the calling function and func1() is known as the called function. The moment the compiler 
encounters a function call, the control jumps to the statements that are a part of the called function. 
After the called function is executed, the control is returned to the calling program.
The main() function can call as many functions as it wants and as many times as it wants. For example, a function call placed within a for loop, while loop, or do–while loop may call the same function multiple times till the condition holds true.
Not only main(), any function can call any other function. For example, look at below figure which shows one function calling another, and the other function in turn calling some other function.
Fig : function calling another function

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