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https://github.com/TheAlgorithms/Python.git
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166 lines
4.2 KiB
Python
166 lines
4.2 KiB
Python
"""
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guess the number using lower,higher and the value to find or guess
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solution works by dividing lower and higher of number guessed
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suppose lower is 0, higher is 1000 and the number to guess is 355
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>>> guess_the_number(10, 1000, 17)
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started...
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guess the number : 17
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details : [505, 257, 133, 71, 40, 25, 17]
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"""
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def temp_input_value(
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min_val: int = 10, max_val: int = 1000, option: bool = True
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) -> int:
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"""
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Temporary input values for tests
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>>> temp_input_value(option=True)
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10
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>>> temp_input_value(option=False)
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1000
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>>> temp_input_value(min_val=100, option=True)
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100
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>>> temp_input_value(min_val=100, max_val=50)
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Traceback (most recent call last):
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...
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ValueError: Invalid value for min_val or max_val (min_value < max_value)
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>>> temp_input_value("ten","fifty",1)
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Traceback (most recent call last):
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...
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AssertionError: Invalid type of value(s) specified to function!
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>>> temp_input_value(min_val=-100, max_val=500)
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-100
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>>> temp_input_value(min_val=-5100, max_val=-100)
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-5100
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"""
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assert (
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isinstance(min_val, int)
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and isinstance(max_val, int)
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and isinstance(option, bool)
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), "Invalid type of value(s) specified to function!"
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if min_val > max_val:
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raise ValueError("Invalid value for min_val or max_val (min_value < max_value)")
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return min_val if option else max_val
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def get_avg(number_1: int, number_2: int) -> int:
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"""
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Return the mid-number(whole) of two integers a and b
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>>> get_avg(10, 15)
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12
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>>> get_avg(20, 300)
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160
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>>> get_avg("abcd", 300)
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Traceback (most recent call last):
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...
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TypeError: can only concatenate str (not "int") to str
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>>> get_avg(10.5,50.25)
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30
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"""
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return int((number_1 + number_2) / 2)
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def guess_the_number(lower: int, higher: int, to_guess: int) -> None:
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"""
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The `guess_the_number` function that guess the number by some operations
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and using inner functions
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>>> guess_the_number(10, 1000, 17)
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started...
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guess the number : 17
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details : [505, 257, 133, 71, 40, 25, 17]
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>>> guess_the_number(-10000, 10000, 7)
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started...
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guess the number : 7
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details : [0, 5000, 2500, 1250, 625, 312, 156, 78, 39, 19, 9, 4, 6, 7]
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>>> guess_the_number(10, 1000, "a")
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Traceback (most recent call last):
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...
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AssertionError: argument values must be type of "int"
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>>> guess_the_number(10, 1000, 5)
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Traceback (most recent call last):
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...
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ValueError: guess value must be within the range of lower and higher value
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>>> guess_the_number(10000, 100, 5)
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Traceback (most recent call last):
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...
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ValueError: argument value for lower and higher must be(lower > higher)
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"""
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assert (
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isinstance(lower, int) and isinstance(higher, int) and isinstance(to_guess, int)
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), 'argument values must be type of "int"'
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if lower > higher:
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raise ValueError("argument value for lower and higher must be(lower > higher)")
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if not lower < to_guess < higher:
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raise ValueError(
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"guess value must be within the range of lower and higher value"
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)
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def answer(number: int) -> str:
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"""
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Returns value by comparing with entered `to_guess` number
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"""
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if number > to_guess:
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return "high"
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elif number < to_guess:
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return "low"
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else:
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return "same"
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print("started...")
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last_lowest = lower
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last_highest = higher
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last_numbers = []
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while True:
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number = get_avg(last_lowest, last_highest)
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last_numbers.append(number)
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if answer(number) == "low":
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last_lowest = number
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elif answer(number) == "high":
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last_highest = number
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else:
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break
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print(f"guess the number : {last_numbers[-1]}")
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print(f"details : {last_numbers!s}")
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def main() -> None:
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"""
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starting point or function of script
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"""
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lower = int(input("Enter lower value : ").strip())
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higher = int(input("Enter high value : ").strip())
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guess = int(input("Enter value to guess : ").strip())
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guess_the_number(lower, higher, guess)
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if __name__ == "__main__":
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main()
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