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032. float division
Hyperpolyglot Interpreted Languages: PHP, Perl, Python, Ruby より (2012.05.08)
VBScript
JScript
Perl
13 / 5
PHP
13 / 5
Python
float(13) / 5 # Python 3: 13 / 5
Ruby
13.to_f / 5 or 13.fdiv(5)