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我不知道为什么,我不断收到错误“字符串索引超出范围”和其他错误在线47个print_data(数据。可有人请解释为什么?谢谢错误与我的代码?字符串索引超出范围?
def open_file():
user_input = input('Enter a file name: ')
try:
file = open(user_input, 'r')
return file
except FileNotFoundError:
return open_file()
def read_data(file):
counter = [0 for _ in range(9)]
for line in file.readlines():
num = line.strip()
if num.isdigit():
i = 0
digit = int(num[i])
while digit == 0 and i < len(num):
i += 1
digit = int(num[i])
if digit != 0:
counter[digit - 1] += 1
return counter
def print_data(data):
benford = [30.1, 17.6, 12.5, 9.7, 7.9, 6.7, 5.8, 4.1, 4.6]
header_str = "{:5s} {:7s}{:8s}"
data_str = "{:d}:{:6.1f}% ({:4.1f}%)"
total_count = sum(data)
print(header_str.format("Digit", "Percent", "Benford"))
for index, count in enumerate(data):
digit = index + 1
percent = 100 * count/total_count
print(data_str.format(digit, percent, benford[index]))
def main():
file = open_file()
data = read_data(file)
print_data(data)
file.close()
if __name__ == "__main__":
main()
这是确切的错误我给
Traceback (most recent call last):
File "./lab08.py", line 52, in <module>
main()
File "./lab08.py", line 47, in main
data = read_data(file)
File "./lab08.py", line 26, in read_data
digit = int(num[i])
你切断错误消息的一部分。 – user2357112
你可以在文件中给出一个示例行吗? – Rosh
无法重现错误:我们需要足够的输入文件来引发问题。 – Prune