On 31/08/14 19:32, Alex Kleider wrote:
total = 0
with open('/Users/richarddillon/Desktop/numbers.txt', 'r') as infile:
for line in infile:
total += float(line)
print(total)
..but isn't there a problem if the file contains empty lines?
Yes you are right. And my second reply did po
On 2014-08-30 13:13, Alan Gauld wrote:
BUT, there is a much better way using Pythons for loop:
total = 0
for line in infile:
total += float(line)
That automatically reads all the lines ion the file so
you don't need to check for empty lines, set up the
first line etc.
infile.close()
total = 0
>with open('/Users/richarddillon/Desktop/numbers.txt', 'r') as infile:
> for line in infile:
> total += float(line)
>print(total)
>
>
>Python returned "ValueError: could not convert string to float: "
>
>That means some of your lines are not floats - are there any blanks?
When I tried
total = 0
with open('/Users/richarddillon/Desktop/numbers.txt', 'r') as infile:
for line in infile:
total += float(line)
print(total)
Python returned "ValueError: could not convert string to float: "
Richard
On Aug 30, 2014, at 1:13 PM, Alan Gauld wrote:
> total
On 30/08/14 17:14, Richard Dillon wrote:
The total I get doesn't match the values entered in the file.
def main():
total = 0
infile = open('/Users/richarddillon/Desktop/numbers.txt', 'r')
# read first record
line = infile.readline()
a = float(line)
Here you get the nu
Richard Dillon wrote:
> I apologize in advance - This is my third week using Python (3.4.1 on a
> Mac)
>
> I need to read a text file, convert the values into numbers and calculate
> a total. The total I get doesn't match the values entered in the file.
>
> def main():
> total = 0
> infi
I apologize in advance - This is my third week using Python (3.4.1 on a Mac)
I need to read a text file, convert the values into numbers and calculate a
total.
The total I get doesn't match the values entered in the file.
def main():
total = 0
infile = open('/Users/richarddillon/Desktop/
