IA20211018-2

#math operators
#+ - * / // % ** **(1/n)
a = 3 ; b = 2
theSum = a + b #5
print(theSum,end="\n") #writes the expression to the stdout stream / standard output stream
theDif = a-b #1
print(theDif)
print(theSum, theDif, sep=" | ")
print(theSum, sep=" | ")
print(theDif)

a=30;b=2
floatingPointDivision = realDivision = a/b #15.0
print(realDivision)
integerDivision = a//b #15
print(integerDivision)

a=3;b=2
remainderOfTheIntegerDivision=a%b #1
print(remainderOfTheIntegerDivision)

aSquared = a**2
print(aSquared) #9
squareRoot = aSquared**(1/2)
type(squareRoot) #float
print(squareRoot)

print("squareRoot= "+str(squareRoot))
print("squareRoot=", squareRoot)
print("squareRoot= {}".format(squareRoot))
print("squareRoot= {:3.1f}".format(squareRoot))
print("squareRoot= %3.1f"%(squareRoot))

#d decimal | s string | x hexadecimal | o octal
d=123; s="Hello!"
print("decimal=%d o=%o h=%x ; frase=%s" \
      %(d, d, d, s))

for n in range(256): #col [0..255]
    strDecimalAndHexa = "n= %3d h= %2x"%(n,n)
    print(strDecimalAndHexa)
#for