Python Question

Find the errors in the following if statements a. if x >0 then b. if 1 x > x ** sqrt (2): C. if x-1: d. xStr input("Enter an integer value") print(x) x int(xStr) if xStr.isdigito else print("Bad input for x") e. letterGrade"F" if grade 90 if grade80 if grade 70 if grade 60 letterGrade "A" letterGrade"B" letterGrade"C" letterGrade "D