Advertisement
Guest User

Untitled

a guest
Sep 18th, 2019
83
0
Never
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
text 0.25 KB | None | 0 0
  1.  
  2. def prog(st):
  3. if st=="":
  4. return False
  5. elif st[0]=="0":
  6. return False
  7. for i in range(len(st)):
  8. if st[i] in ("1234567890"):
  9. return True
  10. else:
  11. return False
  12.  
  13. print(prog("abc1"))
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement