計劃輸入默認值是的raw_input不無當沒有輸入
default = [1,2,3,4] # Passing default list
L = raw_input("Enter a list of numbers separated by comma:")
m = L.split(",") # Spliing the list
if raw_input == None: # If someone doesn't enter ANY INPUT
raw_input = default
print default # Trying to print default input
else:
print list(m)
輸出:
Enter a list of numbers separated by comma : [PRESS ENTER]
Result:['']
剛纔你的問題是什麼? –