ForNext
Only Do What Only You Can Do
111. iterate over range
Hyperpolyglot Interpreted Languages: PHP, Perl, Python, Ruby より (2012.05.08)
VBScript
JScript
Perl
for $i (1..1_000_000) { code }
PHP
not space efficient; use C-style for loop
Python
range replaces xrange in Python 3: for i in xrange(1, 1000001): code
Ruby
(1..1_000_000).each do |i| code end