Generate JSON file with unique object keys

gistfile1.txt

import random, string, math

MAX_LEVEL = 6

def randomword():
   letters = string.ascii_lowercase
   return ''.join(random.choice(letters) for i in range(5))

chars = ["A", "B", "C", "D"]

def write_json(key, level):
    if (key):
        print(f"\"{key}\":")

    print("{")

    if level == MAX_LEVEL:
        rand_int = random.randrange(1000)
        rand_float = math.ceil(random.uniform(1.0, 9.99) * 100) / 100
        rand_string_0 = randomword()
        rand_string_1 = randomword()
        rand_string_2 = randomword()
        rand_bool = "true" if random.randrange(2) == 1 else "false"
        print(f"\"{key}_0\": {rand_int},")
        print(f"\"{key}_1\": {rand_float},")
        print(f"\"{key}_2\": \"{rand_string_0}\",")
        print(f"\"{key}_3\": \"{rand_string_1}\",")
        print(f"\"{key}_4\": \"{rand_string_1}\",")
        print(f"\"{key}_5\": {rand_bool}")
    else:
        for c in chars:
            write_json(key + c, level + 1)

    print("}")

    if (key and key[-1] != "D") :
        print(",")

if __name__ == "__main__":
    write_json("", 0)