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程序：
filename = 'pi_million_digits.txt'
with open(filename) as file_object:
lines = file_object.readlines()
pi_string = ''
for line in lines:
pi_string += line.strip()
birthday = input("Enter your birthday, in the form mmddyy: ")
if birthday in pi_string:
print("Your birthday appears in the first million digits of pi!")
else:
print("Your birthday does not appear in the first million digits of pi.")
报错：
Enter your birthday, in the form mmddyy: 981030
Traceback (most recent call last):
File "pi_string.py", line 11, in <module>
if birthday in pi_string:
TypeError: 'in <string>' requires string as left operand, not int
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狗仔卡
发表于 2020-8-24 10:36:49
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千斤顶
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楼主
发表于 2020-8-24 10:58:21
