d559. 班號 -- jack1 | From: [180.176.48.187] | 發表日期 : 2021-03-22 21:15

try:
    while True:
        n = int(input())      
        print("'C' can use printf(" '"%d"' ",n); to show integer like" ,n)
except EOFError:
    pass


要注意單雙引號;尤其在%d那裡