在Android开发人员中(我完全是个菜鸟),我注意到使用了生命周期方法的参数(Bundle,View等),而没有先为其创建引用。这是因为没有在相应的生命周期函数之外使用这些参数吗?
例如:
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
board=input().split()
color=input().split()
def appears_in_position(board,color):
flag=False
c=''
b = []
for i in range(0,len(board),3):
b.append(board[i:i+3])
for l in range(len(b)):
for k in range(len(b)):
if b[l][k] == color[0]:
c=(l,k)
if ((c[0]==0 and color[1]=='top') or (c[0]==1 and color[1]=='middle') or (c[0]==2 and color[1]=='bottom')) and ((c[1]==0 and color[2]=='left') or (c[1]==1 and color[2]=='middle') or (c[1]==2 and color[2]=='right')):
flag = True
if len(color)>=3:
no_invert=color[-1]
if no_invert=='False':
if flag==True:return False
return True
return flag
print(appears_in_position(board,color))