python trash

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1 2	x,y= map(int,input().split()) print(x," ",y)

 

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a=[32,43,21,431] a.append(3) a.remove(21) print(a)   a.extend([98,21]) print(a)   a.insert(0,-9) print(a)   del a[1] print(a)   a= [0,32]*2 print(a)   a.remove(32) print(a)   if 0 in a:     print(1) else:     print(0)     a=[932,9,-3,321] print(a) for i in a[:]:     if i == 9:         a.remove(i) print(a)

 建立二维数组

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m=2 n=3 arr=[] for i in range(0, n):     t=list(map(int,input().split()))     arr.append(t)   for i in range(0,n):     for j in range(0,m):         print(arr[i][j],end=" ")     print()