Do better error handling on inputs

360845e8 · Gilles Coremans · 959961e1 · 360845e8
Commit 360845e8 authored Nov 01, 2020 by Gilles Coremans
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Showing with 14 additions and 2 deletions

calc.py calc.py +14 -2

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--- a/calc.py
+++ b/calc.py
-operand1 = int(input("First operand: "))
+operand1 = input("First operand: ")
 operator = input("Operator: ")
-operand2 = int(input("Second operand: "))
+operand2 = input("Second operand: ")
+
+try:
+    operand1 = int(operand1)
+except ValueError:
+    print(operand1 + " is not a number!")
+    exit(1)
+
+try:
+    operand2 = int(operand1)
+except ValueError:
+    print(operand1 + " is not a number!")
+    exit(1)

 print("Your result is:")
 if operator == "+":