day1/exercise/round_float.py
author Shantanu <shantanu@fossee.in>
Mon, 04 Jan 2010 19:54:26 +0530
changeset 339 8ac5fe07810f
parent 64 333092b68926
permissions -rw-r--r--
Changed dates in all slides.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
64
333092b68926 Added quiz tex file and all exercise problems Madhu worked out.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
     1
# round using int
333092b68926 Added quiz tex file and all exercise problems Madhu worked out.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
     2
n = 17.3 # any float
333092b68926 Added quiz tex file and all exercise problems Madhu worked out.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
     3
int (n + .5)
333092b68926 Added quiz tex file and all exercise problems Madhu worked out.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
     4
333092b68926 Added quiz tex file and all exercise problems Madhu worked out.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
     5
# round it off to first decimal place
333092b68926 Added quiz tex file and all exercise problems Madhu worked out.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
     6
round(amount * 10) / 10.0
333092b68926 Added quiz tex file and all exercise problems Madhu worked out.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
     7
333092b68926 Added quiz tex file and all exercise problems Madhu worked out.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
     8
# round it off to nearest 5 paise
333092b68926 Added quiz tex file and all exercise problems Madhu worked out.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
     9
round(amount * 20) / 20.0
333092b68926 Added quiz tex file and all exercise problems Madhu worked out.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
    10
333092b68926 Added quiz tex file and all exercise problems Madhu worked out.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
    11
# exchange two variables
333092b68926 Added quiz tex file and all exercise problems Madhu worked out.
Madhusudan.C.S <madhusudancs@gmail.com>
parents:
diff changeset
    12
a, b = b, a