s = "002222"
print(s.find('2'))
2
s = "002222"
print(s.find('0',1))
1
s = "002222"
print(s.find('2',3))
3
s = "002222"
print(s.find('2'))
2
s = "002222"
print(s.find('0',1))
1
s = "002222"
print(s.find('2',3))
3