問題描述

for i in range(0,len(row)): strs = i; print(strs) 我想要strs 的值是 0,1,2,3 就是一個累加的字符串

問題解答

s = ’’

for i in range(0,5):

s += str(i)+’,’

print(s)

strs = ’,’.join([str(_) for _ in range(4)])print strs