def simplefind(text, pat):
    n = len(text)
    m = len(pat)
    for i in range(n-m):
        j = 0
        while 1:
            print text[i+j],
            if text[i+j] != pat[j]:
                break
            j = j + 1
            if j == m:
                return i
        print
    return -1

text = "This is a text to search."
pat  = "ear"
print simplefind(text, pat)