explain this line plz.......! print("{0} - {1}%".format(char, round(perc, 2)))

Question

The part of the program finds what percentage of the text each character of the alphabet occupies.

for char in "abcdefghijklmnopqrstuvwxyz":
perc = 100 * count_char(text, char) / len(text)
print("{0} - {1}%".format(char, round(perc, 2)))

Answer 1

The variable char is is put into the placeholder position {0} and the result of the method round(perc, 2) is put into the placeholder {1} position from the format() method.