19/03/11 11:48:34.91 NYtiTycm.net
>>518
s='a+a'
a=1
print(eval(s)) #2
a=2.0
print(eval(s)) #4.0
19/03/11 11:48:34.91 NYtiTycm.net
>>518
s='a+a'
a=1
print(eval(s)) #2
a=2.0
print(eval(s)) #4.0
19/03/11 11:48:34.91 NYtiTycm.net
>>518
s='a+a'
a=1
print(eval(s)) #2
a=2.0
print(eval(s)) #4.0