Output text in the first column of TXT file. If you encounter duplicate text, skip it (that is, the same text appears only once)
Language: Python
i have a txt named "hightemp.txt"
Output text in the first column of TXT file. If you encounter duplicate text, skip it (that is, the same text appears only once)
please help me , thanks
Here is the content of "hightemp.txt"
A AA 41 2013-08-12
B BB 40.9 2007-08-16
C CC 40.9 2007-08-16
D DD 40.8 1933-07-25
E EE 40.7 2013-08-10
F FF 40.6 1994-08-08
G GG 40.6 1994-08-04
H HH 40.5 2013-08-10
I II 40.4 2007-08-16
J JJ 40.3 2007-08-16
C KK 40.3 1998-07-04
L LL 40.3 1994-08-05
A MM 40.2 2004-07-20
H NN 40.2 2001-07-24
O OO 40.2 1927-07-22
P PP 40.1 1978-08-03
A QQ 40 2007-08-16
H RR 40 2001-07-24
S SS 39.9 2013-08-11
T TT 39.9 1997-07-05
O UU 39.9 1994-08-08
H VV 39.9 1990-07-19
C WW 39.9 1978-08-03
X XX 39.9 1942-08-02
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