day1/exercise/even_perfect_4a.py
author Madhusudan.C.S <madhusudancs@gmail.com>
Wed, 28 Oct 2009 20:32:06 +0530
changeset 249 135062d6f91f
parent 94 8c92864c184b
child 380 669b72283b55
permissions -rw-r--r--
Fixed typos and hanging words in Session 3 day 1.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
94
8c92864c184b Almost last set of official solutions and final quiz.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
     1
def all_digits_even(n):
8c92864c184b Almost last set of official solutions and final quiz.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
     2
    if n < 0: n = -n
8c92864c184b Almost last set of official solutions and final quiz.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
     3
    while n > 0:
8c92864c184b Almost last set of official solutions and final quiz.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
     4
        if n % 2 == 1:
8c92864c184b Almost last set of official solutions and final quiz.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
     5
            return False
8c92864c184b Almost last set of official solutions and final quiz.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
     6
        n /= 10
8c92864c184b Almost last set of official solutions and final quiz.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
     7
    return True
8c92864c184b Almost last set of official solutions and final quiz.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
     8
8c92864c184b Almost last set of official solutions and final quiz.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
     9
i = 46
8c92864c184b Almost last set of official solutions and final quiz.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
    10
while i <= 94:
8c92864c184b Almost last set of official solutions and final quiz.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
    11
    square = i * i
8c92864c184b Almost last set of official solutions and final quiz.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
    12
    if all_digits_even(square):
8c92864c184b Almost last set of official solutions and final quiz.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
    13
        print square
8c92864c184b Almost last set of official solutions and final quiz.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
    14
    i += 1