#chp10.例外情況的處理：try...except
#範例10-1：輸入數字，但是卻輸入字母，會出現錯誤:try...except
#https://www.w3schools.com/python/python_try_except.asp
#https://www.w3school.com.cn/python/python_try_except.asp
#https://www.runoob.com/python/python-exceptions.html

#---------------
#1.try:...except:(輸入數字，但是卻輸入字母，會出現錯誤)
#a1 = int(input("輸入數字？"))




#---------------
#2.try:...except ValueError:




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#-----------------------------------------------------
#chp10.例外情況的處理：try...except
#範例10-1：輸入數字，但是卻輸入字母，會出現錯誤:try...except
#https://www.w3schools.com/python/python_try_except.asp
#https://www.w3school.com.cn/python/python_try_except.asp
#https://www.runoob.com/python/python-exceptions.html

#---------------
#1.try:...except:(輸入數字，但是卻輸入字母，會出現錯誤)
#a1 = int(input("輸入數字？"))

try:
  a1 = int(input("輸入數字？"))
except:
  print('出現錯誤')


#---------------
#2.try:...except ValueError:
try:
  a1 = int(input("輸入數字？"))
except ValueError:
  print('資料型態錯誤：只能夠輸入數字')

#-----------------------------------------------------