How to display nested lists in Python without using brackets, commas, or quotes

Question

How to display nested lists in Python without using brackets, commas, or quotes

Recently, I started learning python and I am looking to print data in a specific format utilizing loops. Here is the desired output:

Table X:
    Y   Z
Y   INF INF
Z   INF INF

Table Y:
    X   Z
X   INF INF
Z   INF INF

Table Z:
    X   Y
X   INF INF
Y   INF INF

Currently, I have a 3d array that is being printed out as follows:

[[['X', 'Y', 'Z'], ['Y', 'INF', 'INF'], ['Z', 'INF', 'INF']], [['Y', 'X', 'Z'], ['X', 'INF', 'INF'], ['Z', 'INF', 'INF']], [['Z', 'X', 'Y'], ['X', 'INF', 'INF'], ['Y', 'INF', 'INF']]]

I attempted to use

print("".join(map(str, list)))

, but it only removed one set of outer brackets. Additionally, I tried the following approach:

for item in arr:
    print("\n".join("\t".join(map(str, item))))

python python-3.x list multidimensional-array

Answer 1

Answer №1

Perhaps not the most straightforward method, but definitely tidy:

y = [[['A', 'B', 'C'], ['B', 'DEF', 'DEF'], ['C', 'DEF', 'DEF']], [['B', 'A', 'C'], ['A', 'DEF', 'DEF'], ['C', 'DEF', 'DEF']], [['C', 'A', 'B'], ['A', 'DEF', 'DEF'], ['B', 'DEF', 'DEF']]]
d = [e for f in y for g in f for e in g]
print(" ".join(d))

A B C B DEF DEF C DEF DEF B A C A DEF DEF C DEF DEF C A B A DEF DEF B DEF DEF

Answer 2

Perhaps not the most straightforward method, but definitely tidy:

y = [[['A', 'B', 'C'], ['B', 'DEF', 'DEF'], ['C', 'DEF', 'DEF']], [['B', 'A', 'C'], ['A', 'DEF', 'DEF'], ['C', 'DEF', 'DEF']], [['C', 'A', 'B'], ['A', 'DEF', 'DEF'], ['B', 'DEF', 'DEF']]]
d = [e for f in y for g in f for e in g]
print(" ".join(d))

A B C B DEF DEF C DEF DEF B A C A DEF DEF C DEF DEF C A B A DEF DEF B DEF DEF

Answer 3

Answer №2

Recent Update!

Using the DataFrame module from pandas is essential for effectively displaying structured data, be sure to refer to the official documentation.

from pandas import DataFrame

for item in dataset:

    print("Table {}: ".format(item[0][0]))
    
    df = DataFrame(item)
    
    df.columns = [""] + item[0][1:]
    df = df.iloc[1:]
    df = df.to_string(index=False)

    print(df, "\n")

Running this code snippet will generate the desired output.

Answer 4

Recent Update!

Using the DataFrame module from pandas is essential for effectively displaying structured data, be sure to refer to the official documentation.

from pandas import DataFrame

for item in dataset:

    print("Table {}: ".format(item[0][0]))
    
    df = DataFrame(item)
    
    df.columns = [""] + item[0][1:]
    df = df.iloc[1:]
    df = df.to_string(index=False)

    print(df, "\n")

Running this code snippet will generate the desired output.

How to display nested lists in Python without using brackets, commas, or quotes

Answer №1

Answer №2

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