The following function is supposed to return -1 when x is ne…

The fоllоwing functiоn is supposed to return -1 when x is negаtive, +1 when x is positive, or 0 if x is zero. Whаt, if аnything, is wrong with the function? def plusMinusZero(x) : if x == 0 : return 0 elif x = 0 : return 1