int i
int j
def add(i, j):
    k = i + j
    return k
k1 = add(i, j)
print k1

Traceback (most recent call last):

  File "<pyshell#12>", line 1, in <module>

    import add_

  File "D:my_ToolsPython27libadd_.py", line 1

    int i

        ^

SyntaxError: invalid syntax