Exercise 7 Output
Roi Avidan
----------------Enter mathematical expression to check: 1+(2*5)-7
!Expression is legal
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)Enter mathematical expression to check: 9-7+(1/4
!Expression is legal
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)Enter mathematical expression to check: 8*1*5+6
!Brackets not in order
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Enter mathematical expression to check: 1+(3+{3/5}*[6-1+9])-1
!Expression is legal
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-Enter mathematical expression to check: 8*4*2
!Expression can only be terminated with a digit or a closing bracket
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