xh = set([i[0] for i in a])b = []for x in xh:’ ’c = []’ ’for i in a:’ ’if x in i:’ ’c.append(i)’ ’b.append(c)print(b)#缩进太难打了 😥
xh = set([i[0] for i in a])
b = []
for x in xh:
’ ’c = []
’ ’for i in a:
’ ’if x in i:
’ ’c.append(i)
’ ’b.append(c)
print(b)
#缩进太难打了 😥