Coding Java challenge

import sys, random

with open('/usr/share/dict/words') as f:
    l = f.readlines()

def generater(goal):
    res = ''
    val = 0
    t = 50
    while val < goal:
        w = random.choice(l).strip()
        wval = sum(ord(c) for c in w)
        if val + wval > goal:
            if t > 0:
                t -= 1
                continue
            w = ''
            while goal - val > 48:
                c = random.randint(48, min(120, goal - val))
                val += c
                w += chr(c)
            if val < goal:
                return generater(goal)
        res += w
        val += wval
    return res

print(generater(int(sys.argv[1])))

$ for i in $(seq 10); do key=$(python gen.py 9001); echo "trying key: $key"; java -jar TryMe.jar "$key"; done
trying key: bpsscallionsinvestigatordishonourablyHallie'shandholdsshirker'sbreakoutscommiseration
Correct key! Now write me a key generator for it.
trying key: Zanzibar'sapothegmsracquetballacademiespalsydepoliticisedplumbsHubbardshandyleveringOR
Correct key! Now write me a key generator for it.
trying key: collectmunicipalitypreregisterGambiansbeer'sartlessnesspilgrimagesdearerAtaturk'shims@
Correct key! Now write me a key generator for it.
trying key: qualmcommandsfranchisingmotorcade'sGilligan'setiologiclikeness'sBuddhist'senvisageSSTtuU
Correct key! Now write me a key generator for it.
trying key: snifferuptickTell'sodiouslyGaul'ssoulbathyscaphfundraiser'srafflingdivinedumboblearyIL<
Correct key! Now write me a key generator for it.
trying key: geochemistry'sMinutemanpardoner'spostulate'sblenderpanamasworthlesslyNYCslotsmediating
Correct key! Now write me a key generator for it.
trying key: importuneddoormatsGena'sBoswell'stradespeople'sembolismsmillagenasalisingYaquiEdgar'su@F
Correct key! Now write me a key generator for it.
trying key: potluckroughhousingsunbeamXLwarblecauliflowerspsalmistTimurhumbugskydivedmasonicblag
Correct key! Now write me a key generator for it.
trying key: slimming'spealsreinspectingcrystallization'ssullensimianDebian'sequivocallyscoutsJuddB
Correct key! Now write me a key generator for it.
trying key: Falkland'sprobe'sMillarddewberry'sreinspectmonologuesimpecuniousclubbersperforations2d3
Correct key! Now write me a key generator for it.

/*

    Too lazy to write my own function for RNG
    https://stackoverflow.com/questions/1527803/generating-random-whole-numbers-in-javascript-in-a-specific-range#1527820

*/

function getRandomArbitrary(min, max) {
    return Math.random() * (max - min) + min;
}

/*

    Code below is written by me

*/

var goal = process.argv[2];

/*

    Added a range to make it more interesting than returning the character associated with code point 9001

*/

var range = {
    "min" : 33,
    "max" : 126 // Make sure max is more than twice as high as min for it to work properly
};

var string = {
    "str" : "",
    "val" : 0
};

function required_amount() {
    return goal - string["val"];
}

function addCharacter(char) {
    string["str"] += String.fromCodePoint(char);
    string["val"] += char;
}

do {
    if(required_amount() <= range["max"]) {
        addCharacter(required_amount());
        break;
    }
 
    if(Math.ceil(required_amount() / 2) <= range["max"]) {
        addCharacter(Math.ceil(required_amount() / 2));
        continue;
    }
 
    addCharacter(Math.round(getRandomArbitrary(range["min"], range["max"])));
} while(string["val"] < goal);

console.log(string);