FP20211026

#sum_n_odd.py
def odd (pN):
    return pN%2!=0
#def odd

def even(pN):
    return pN%2==0
#def

def computesTheSumOfThe1stNOddNumbers(pN):
    iSum=0; iCurrent=0
    while(iCurrent<=pN):
        if(odd(iCurrent)): #different test!
            iSum += iCurrent
        iCurrent += 1
    #while
    return iSum
#def computesTheSumOfThe1stNOddNumbers

#col = [n=1,n=2,n=3,n=4]

def computeSumWithNumbersIfCriterion (
    pCol, #any collection of numbers, as a list
    pfbCriterion #the name of a boolean function
):
    iSum = 0
    for n in pCol:
        bCriterionIsMet = pfbCriterion(n) #True or False
        if (bCriterionIsMet): #criterion is met
            iSum += n #act!
        #if
    #for
    return iSum
#def computeSumWithNumbersIfCriterion

myList = [10, 31, 20]
res = computeSumWithNumbersIfCriterion (
    myList,
    #odd
    even
)
print (res)

"""
import sys
iUserNumber = int(sys.argv[1])
print (computesTheSumOfThe1stNOddNumbers(iUserNumber))
"""