Can someone tell why test case 4 and 5 are not happy with my code

Question

https://sololearn.com/coach/68/?ref=app

https://code.sololearn.com/cvMhxvaxcOLH/?ref=app

Answer 1

"An expression can include multiple operations."
Ex: (5+4-1) will not supported by your code.

Answer 2

chess doctor ,

the task description says:

> An expression can include multiple operations.

Answer 3

Multiple . operations are not mentioned in the problem statement. Anyway i ll take that into account and try

Answer 4

x = int(input())
a = input()
l = a. split()
for i in range(len(l)):
if eval(l[i]) == x:
print("index",i)
break
else:
print("none")
#Look how I have done this! Just take a glance