TypeError: sequence item 0: expected str instance, int found
2019-03-12 13:15
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data2 = [1, 2, 3, 4]
with open('a12345.txt','w') as f:
f.write(','.join(data2))#list各个元素必须是str
#data2 = ['1', '2', '3', '4']
结果:1,2,3,4
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