格式问题

Posted 2022-12-11 tingtin

‘‘‘
a = eval(input())
s = "Hello World"
l =len(s)
if(a==0):
   print(s)
elif(a>0):
     for i in range (0,l-1,2):
         print(s[i],s[i+1],sep=‘‘)#默认字符间有空格
     print("d")
else:
    for i in range(0,l):
        print(s[i])
‘‘‘
a = input()
for i in a:
    print(i,end=‘‘)
123
123
#默认换行
123
1
2
3