coding example

print all prime between 100 200

for num in range(100,200):
  if all(num%i!=0 for i in range(2,num)):
    print(num)

sort large to small

def sort1(l):
    sz = len(l);
    for i in range(0,sz-1):
        for j in range(i+1,sz):
            if (l[i]<l[j]):
                l[i] , l[j] = l[j],l[i]

common function and usage

#sort
list1.sort(reverse = True)