Python 如何将没有分隔符的固定宽度数字表加载到熊猫中？

这是表文件的外观（但要大得多）：

每个数字都是一个值。例如，第一行具有以下值：

[0, 5, 8, 3, 7, 5]

我无法提前知道每个文件中的列数和行数。

以下是一种“pythonic”方法：

import pandas as pd

with open("data") as file:
    df = pd.DataFrame([ [ char for char in line.rstrip() ] for line in file ])

print(df)

import pandas as pd

df = pd.read_csv("data", header = None, dtype = "str")
df = df.apply(lambda series : [ char for char in series[0] ], axis = 1, result_type = "expand")

print(df)

输出：

   0  1  2  3  4  5
0  0  5  8  3  7  5
1  7  5  8  3  6  4
2  0  0  0  1  0  0

   0  1  2  3  4  5
0  0  5  8  3  7  5
1  7  5  8  3  6  4
2  0  0  0  1  0  0

以下是一种“潘多尼克”的方法：

import pandas as pd

with open("data") as file:
    df = pd.DataFrame([ [ char for char in line.rstrip() ] for line in file ])

print(df)

import pandas as pd

df = pd.read_csv("data", header = None, dtype = "str")
df = df.apply(lambda series : [ char for char in series[0] ], axis = 1, result_type = "expand")

print(df)

输出：

   0  1  2  3  4  5
0  0  5  8  3  7  5
1  7  5  8  3  6  4
2  0  0  0  1  0  0

   0  1  2  3  4  5
0  0  5  8  3  7  5
1  7  5  8  3  6  4
2  0  0  0  1  0  0

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