Can anyone explain the 6th line of this code. [f2.write(’%7s-%4d\n’% (data[O],total)]
And what should the answer be?
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The correct answer is (2)
It’s (6th line) formats the text.
-
%s means its a string
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%7s means its a string with at least 7 characters
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%d means its a decimal number (integer)
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%2d means its a decimal number with at least 2 characters (digits)
% (data[O],total) <— This part mentions what are the data that put into the %7s and %2d
I have some problems. 
‘Nimal’ has only 5 characters. If it must be at least 7 characters, can we use that format (% 7s) to show it? Also, the total is only 2 digits. So can we use the % 4d format?
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If the number of characters is less than the formatting count the rest will filled by spaces.
x="nimal"
y=201
print("%s - %d"%(x,y))
x="nimal"
y=201
print("%8s - %8d"%(x,y))
Try these codes, and check the outputs.
Nimal has only 5 characters. But formatted as 8 characters. the rest fill with spaces as " nimal".
It’s okay! welcome 
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