Is_int


#1



def is_int(x):
    if is_int():
        return True
    else:
        return False



it says that 
Oops, try again. Does your is_int function take exactly one argument (an integer)? Your code threw a "is_int() takes exactly 1 argument (0 given)" error.


#2

is_int() doesn't return true or false. You need to fix your if statement.


#3

We won't be calling the function on itself. If you check the Hint, you will see an excellent example.

return x % 1 == 0    # return value will be True or False

#4

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