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Questen : feed a sequence, it will be an any sequence. Please answer the following 10 numbers.
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#!/usr/bin/env python | |
# encoding: utf8 | |
# Author : laudai | |
# codestyle : black | |
from typing import List, Tuple | |
import sys | |
""" | |
Questen : feed a sequence, it will be an any sequence. | |
Please answer the following 10 numbers. | |
Usage : | |
python3 guess_sequence.py 1 2 4 | |
python3 guess_sequence.py 1 5 9 | |
python3 guess_sequence.py 2 4 6 | |
python3 guess_sequence.py 2 4 8 | |
python3 guess_sequence.py 10 20 30 | |
python3 guess_sequence.py 14 24 34 44 54 | |
python3 guess_sequence.py 74 154 314 634 | |
python3 guess_sequence.py 0 0 0 | |
python3 guess_sequence.py 0 1 2 | |
""" | |
def getdata() -> List[int]: | |
data_list = [*sys.argv[1:]] | |
return data_list | |
def checkargvtype(datas_list: list) -> int: | |
""" | |
check all data is integer, return int bool (0 or 1) | |
""" | |
try: | |
changed_list = [int(data) for data in datas_list] | |
except ValueError: | |
return False | |
return True | |
def checkSequenceandMagnification(checked_list: list) -> Tuple[str, int, int]: | |
""" | |
return the alpha and beta value that is the magnification | |
""" | |
alpha, beta = 0, 0 | |
alpha_list, beta_list = [], [] | |
for index, _ in enumerate(checked_list): | |
if index + 1 == len(checked_list): | |
break | |
try: | |
alpha = checked_list[index + 1] // checked_list[index] | |
beta = checked_list[index + 1] % checked_list[index] | |
except ZeroDivisionError: | |
alpha_list.append(0) | |
beta_list.append(0) | |
else: | |
alpha_list.append(alpha) | |
beta_list.append(beta) | |
# get true when arithmetic or fibonacci sequence | |
if beta_list[0] ^ beta_list[1] > 0 or alpha_list[0] != alpha_list[1]: | |
alpha_list = [0] * (len(checked_list) - 1) | |
beta_list = getdelta(checked_list) | |
alphaallthesame_bool = all(element == alpha_list[0] for element in alpha_list) | |
betaallthesame_bool = all(element == beta_list[0] for element in beta_list) | |
# check whehter fibonacci sequence | |
if alphaallthesame_bool and betaallthesame_bool: | |
return "arithmetic or geometric sequence", alpha_list[0], beta_list[0] | |
else: | |
return "fibonacci sequence", checked_list[-2], checked_list[-1] | |
return "arithmetic or geometric sequence", alpha_list[0], beta_list[0] | |
def getdelta(checked_list: list): | |
delta = 0 | |
delta_list = [] | |
for index, _ in enumerate(checked_list): | |
if index + 1 == len(checked_list): | |
break | |
delta = checked_list[index + 1] - checked_list[index] | |
delta_list.append(delta) | |
return delta_list | |
def fibonacci(num1, num2): | |
count, a, b = 0, num1, num2 | |
while True: | |
if count == 11: | |
break | |
a, b = b, a + b | |
yield a | |
count += 1 | |
def main(): | |
datas_list = getdata() | |
if checkargvtype(datas_list): | |
strdata2int_list = [int(data) for data in datas_list] | |
print("type check : correct. All arguments are number.") | |
else: | |
print("type check : error. Please check all arguments are number, quit program.") | |
sys.exit() | |
sequence, alpha, beta = checkSequenceandMagnification(strdata2int_list) | |
print(sequence) | |
if sequence == "arithmetic or geometric sequence": | |
if alpha != 0: | |
initvalue = strdata2int_list[-1] | |
value_list = [alpha * initvalue + beta] | |
for index in range(9): | |
value_list.append(alpha * value_list[index] + beta) | |
print("Answer:", value_list) | |
else: | |
initvalue = strdata2int_list[-1] | |
value_list = [initvalue + beta] | |
for index in range(9): | |
value_list.append(value_list[index] + beta) | |
print("Answer:", value_list) | |
elif sequence == "fibonacci sequence": | |
fib = fibonacci(alpha, beta) | |
fib_list = [i for i in fib] | |
print("Answer:", fib_list[-10:]) | |
if __name__ == "__main__": | |
main() |
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