Does anyone know how to write a program in Python in three lines that guesses a number in 7 attempts?

Kings007ByKings007

I want to write a program in Python that guesses a given number in seven attempts. If possible, it should be written in three lines of code. If that's not possible, more lines of code are also possible.

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MasterFAQ
MasterFAQ
6 months ago
low, high = 1, 100
for _ in range(7):
    guess = (low + high) // 2
    print(f"Ich rate: {guess}")
    feedback = input("Ist das (k)orrekt, zu (h)och oder zu (n)iedrig? ").lower()
    if feedback == 'k':
        print("Ich habe deine Zahl erraten!")
        break
    elif feedback == 'h':
        high = guess - 1
    elif feedback == 'n':
        low = guess + 1
else:
    print("Ich konnte die Zahl nicht in 7 Versuchen erraten.")

Compressed:

a,b=1,100
for _ in range(7):c=(a+b)//2;print(c);r=input();[exit() for _ in[0] if r=='k'];a,b=[c+1,b]if r=='n'else[a,c-1]if r=='h'else[a,b]
0
mihisu
mihisu
6 months ago

Just describe how you can imagine. For example, with an example, such as the input or It should look like output. I do not understand what the programme is to do with your description.

Because… if you enter the number, the program knows the number. The program doesn’t need to guess.

I want to program a program in Python, what a number in 7 attempts
a given number advises.

2
Kings007
Author
Kings007
6 months ago
Reply to  mihisu

I mean, where the program always asks a question about the number and then, in the end, gives me the number

0
mihisu
mihisu
6 months ago
Reply to  Kings007

Something like that?

print("Denke Sie sich eine natürliche Zahl kleiner als 128.")
print("Ich werde die Zahl nach 7 Versuchen (Fragen) nennen.")
a, b = 0, 128
for n in range(1, 8):
    c = (a + b)//2
    while True:
        r = input(f"{n}. Versuch: Ist die Zahl kleiner als {c}? [y/n]: ").lower()
        if r in ['y', 'yes', 'j', 'ja', '1']:
            b = c
            break
        elif r in ['n', 'no', 'nein', '0']:
            a = c
            break
        else:
            print("Ihre Eingabe wurde nicht erkannt.")
            continue
print(f"Die von Ihnen gedachte Zahl ist: {a}")

Example flow for the imaginary number 36…

Denke Sie sich eine natürliche Zahl kleiner als 128.
Ich werde die Zahl nach 7 Versuchen (Fragen) nennen.
1. Versuch: Ist die Zahl kleiner als 64? [y/n]: y
2. Versuch: Ist die Zahl kleiner als 32? [y/n]: n
3. Versuch: Ist die Zahl kleiner als 48? [y/n]: y
4. Versuch: Ist die Zahl kleiner als 40? [y/n]: y
5. Versuch: Ist die Zahl kleiner als 36? [y/n]: y
6. Versuch: Ist die Zahl kleiner als 34? [y/n]: n
7. Versuch: Ist die Zahl kleiner als 35? [y/n]: n
Die von Ihnen gedachte Zahl ist: 35

It should be possible to program this in 3 lines. That would be quite long lines, and it will be very confusing. Believe me, you don’t want to have it in 3 lines.

0
mihisu
mihisu
6 months ago

Comment:

# Nach jedem Schritt hat man zwei Zahlen a, b, wobei a <= g < b
# mit der gedachten Zahl g gilt.
# Es sind 128 gedachte Zahlen möglich.
# In jedem der Versuch-Schritte wird der Suchbereich halbiert.
# Wegen 128 = 2**7 ist die Suche nach 7 Schritten beendet,
# da nur noch eine Zahl im Suchbereich verbleibt.
0
LizenzfireArtZ
LizenzfireArtZ
6 months ago

Three numbers code? What are you dreaming about?

Here’s a code that performs what you’re looking for my understanding. Let it go and give me feedback if it was what you were looking for.

def rate_number():

print(“Determine a number between 1 and 100. I will guess them in a maximum of 7 attempts!”)

Low = 1

high = 100

= 0

while try < 7:

+= 1

rate test = (low + high) // 2

print(f)Examination {try}: Is it {rate attempt}?”)

Answer = input(“Antwort (too small / too big / correct): “).lower()

if answer == “right”:

print(f)Juhu! I guessed the number in {try} attempts.”

break

elif answer == “too small”:

low = rate test + 1

elif answer == “too large”:

high = rate test – 1

other:

print(“Invalid answer. Please answer ‘too small’, ‘too big’ or ‘right’.”)

if try ==7 and answer != “right”:

print(“Oh no! I could not guess the number in 7 attempts.”

# Start the game

rate_number()

1