Python a function package, find text in English string numbers subscripts

ABC DEF (STR, Data): 
    COUNT = [] 
    numMax = 0 
    for A in Range (len (STR)): 
        IF A == 0: 
            TEMP = str.find (Data, numMax, len (STR)) 
        the else: 
            TEMP str.find = (Data, numMax +. 1, len (STR)) 
        IF TEMP = -1:! 
            for I in Range (len (Data)): 
                count.append (TEMP + I) 
        elif numMax == 0 and COUNT! None =: 
            return -1 
        IF numMax == max (COUNT): 
            return COUNT 
        numMax = max (COUNT) 
# Print (abc (the iNPUT ( "Please enter a sequence to look for the foundation:"), input ( "enter the Find what:" ))) 
Print (abc ( "abcfgggabjfhgfabc", "abc"))