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@espoirMur
Last active March 11, 2020 16:51
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Read a file containing integer and return the average of the integer in the file. the file can have path to another file which contain integer.
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another_file.txt
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the_third_file.txt
def read_file_recursively(filename):
"""
Read a file recursively and return the
sum and the count of integer in the file
Args:
filename ([string]): path to the base file to read
Returns:
[tuple]: sum of all items in the list, the number of items
"""
sum_, len_ = 0, 0
with open(filename, 'r') as the_file:
for line in the_file.readlines():
try:
sum_ += int(line)
len_ +=1
except ValueError:
sub_sum, sub_leng = read_file_recursively(line.strip())
sum_ += sub_sum
len_ += sub_leng
return sum_, len_
if __name__ == "__main__":
sum_, len_ = read_file_recursively('a_file.txt')
print('the average is : ', sum_/len_)
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