gettin' some chains

landon.py

def landon(array,k,threshold):
    sections=[]
    start,end=0,0
    for i in range(0,len(array)):
        #print i,array[i],"start: ",start,"end: ",end
        if array[i]<threshold:
            start= start if arr[start]<threshold else i
            end=i
            
        else:
            if (end-start)+1>=k: sections.append((start,end+1))
            start=i
            end=i
    if (end-start)+1>=k: sections.append((start,end+1))
    return sections


arr = [1,2,3,3,3,3,4,3,5,6,6,7,7,7,7,8,8,8,1,2,3,4,4,4,4,4,4]
print landon(arr,4,8)
print landon(arr,4,5)
print landon(arr,4,4)
print landon(arr,4,3)