n = int(input("n ni kirg`izing: "))

if n < 1:
    print(False)

else:
    while n>2:
        if n % 2 != 0:
            print(False)    
            break
        n = n // 2
    else:
        if n == 2:
            print(True)
        else:
            print(False)

count = 0

tel_number = int(input("Telfon raqamizdi kirg`izing (+998) "))

while tel_number > 0:

    tel_number = tel_number//10

    count+=1

if count == 9:

    print(True)

else:

    print(False)

print(count)

tel_number = input("Telfon raqamizdi kirg`izing (+998) ")

if len(tel_number) == 9:

    print(True)

else:
    
    print(False)

tel = input("Telefon raqamini kiriting (+998 bilan yoki siz): ")

OPERATORS = ("90", "91", "93", "94", "95", "97", "98", "99", "33", "88")

def is_valid_uz_phone(tel):
    
    tel = tel.replace(" ", "").replace("-", "")
    
    if tel.startswith("+998"):
        tel = tel[4:]
    
    return tel.isdigit() and len(tel) == 9 and tel[:2] in OPERATORS

print(is_valid_uz_phone(tel))

def range_equal(min,max,step = 1):
    nums = []
    while min<max:
        nums.append(min)
        min+=step
    return nums
    
print(range_equal(0,50,2))

list(range(0,50,2,)

#range funksiyasi to`liq ko`rinishi