Lab05 : Sum of postive

def setup():
    a = [1,2,3,4,5,6,7,8,9,10,-11,-90]
    print(sum_positive(a))
 
def check_positive(x):
    positive=False
    if x>=0:
        positive=True
    return positive


def sum_positive(a):
    sum=0
    i=0
    while i<len(a):
        if check_positive(a[i]):
            sum+=a[i]
        i+=1
    print("Sum:",sum)
 
setup()
============================================================
def setup():
    a = [1,2,3,4,5,6,7,8,9,10,-11,-90]
    sum_positive(a)
 

def sum_positive(a):
    sum=0
    i=0
    while i<len(a):
        if a[i]>=0:
            sum+=a[i]
        i+=1
    print("Sum:",sum)
 
setup()
========================= RETURN ============================
def setup():
    a = [1,2,3,4,5,6,7,8,9,10,-11,-90]
    print(sum_positive(a))


def sum_positive(a):
    sum=0
    i=0
    while i<len(a):
        if a[i]>=0:
            sum+=a[i]
        i+=1
    return sum

setup()