t = 1000000
t = t // 60
s = t % 60
t = t // 60
m = t % 60
d = t // 24
h = t // 24
print ("1000000 seconds is", d , "days", h, ":", m, ":", s,)

t = 8.12
r = 0.5 ** (1/t)
d = 1.67 * 10 ** 12 / (10000 * r)
a = 1.67 * 10 ** 12 * r * 7
print ( r, d, a)

n = 235252525
x = 235252525
i = 0
while n > 1:
        n = n / 10
        i = i + 1
print (x, "has", i, "digits")

n = -235252525
x = -235252525
i = 0
if x >= 10:
    while n > 1:
        n = n / 10
        i = i + 1
    print (x, "has", i, "digits")
elif x <= -10:
    while n < -1:
        n = n / 10
        i = i + 1
    print (x, "has", i, "digits")
else:
    print (x, "has 1 digit")

n = -2
x = -2
i = 0
if x >= 10:
    while n > 1:
        n = n / 10
        i = i + 1
    print (x, "has", i, "digits")
elif x <= -10:
    while n < -1:
        n = n / 10
        i = i + 1
    print (x, "has", i, "digits")
else:
    print (x, "has 1 digit")

n = 5
print(n)
while n > 1:
    if n % 2 == 0:
        n = n // 2
        print (n)
    elif n % 2 == 1:
        n = 3 * n + 1
        print (n)

n = 5
i = 1
while n > 1:
    if n % 2 == 0:
        n = n // 2
    elif n % 2 == 1:
        n = 3 * n + 1
    i = i + 1
print ("the Collatz number of 5 is", i)

def Collatz (n):
    while n > 0:
        if n % 2 == 0:
            n = n / 2
    else:
        n = 3 * n + 1
    i = i + 1
    return i

n = 0
c = 0
while c < 200:
    n = n + 1
    c = Collatz (n)
print ("the Collatz number of", n, "is", i)