
求解!!
非常感謝
uj5u.com熱心網友回復:
while True:
try:
x = int(input('請輸入待計算的數值:'))
if x <= 0:
print(0)
elif 0 < x <= 1:
print(1)
elif 1 < x <= 2:
print(x * 2)
elif x > 2:
print(2 * x + 5)
break
except Exception as e:
print('輸出錯誤,僅能輸出數字')
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