programming fundamentals

Question 1

what is a sequence?

Answer 1

the specific order in which instructions are performed in an algorithm

Question 2

what is a selection?

Answer 2

the process of making a decision eg a if statement

Question 3

what is an iteration?

Answer 3

times when a program. needs to repeat certain steps until told otherwise, or until a condition has been me eg a loop.

Question 4

what is MOD ?

Answer 4

% is the remainder when dividing

Question 5

what is DIV?

Answer 5

// divides numbers to the nearest whole number. ignores remainders.

Question 6

what is casting?

Answer 6

changing a data type. int()

Question 7

what is concatenation?

Answer 7

obtaining a new string that contains both of the original strings. input()

Question 8

what is slicing

Answer 8

the extraction of a part of a string or list

Question 9

how to do file handling?

Answer 9

file= open(“file.txt”,”a”)
file.write(“what you want to write”)
file.close()

Question 10

how to do random number generation?

Answer 10

random. randint(a, b)

Question 11

how to find a random letter in a word?

Answer 11

fruit=”apple”
print(fruit[1])