"cannot concatenate 'str' and 'list' objects" keeps coming up :(
- by ratce003
I'm writing a python program and passing in a html template but an error keeps coming up, "cannot concatenate 'str' and 'list' objects" here is is the program:
#!/usr/bin/env python
# -*- coding: UTF-8 -*-
# enable debugging
import cgi
import cgitb
cgitb.enable()
def template(file, **vars):
return open(file, 'r').read() % vars
print "Content-type: text/html\n"
print
form = cgi.FieldStorage() # instantiate only once!
num_1 = form.getfirst('num_1')
num_2 = form.getfirst('num_2')
int1r = str(num_1)
int2r = str(num_2)
def calc_range(int2r, int1r):
start = range(int2r, int1r + 1)
end = range(1, int2r)
return start+end
int1 = int(int1r)
int2 = int(int2r)
out_str = ''
for i in range(0, int1):
first_line_num = (int2 + i) % int1
if first_line_num == 0:
first_line_num = int1
line = calc_range(first_line_num, int1)
out_str += line
print template('results.html', output=out_str, title="Latin Squares")
