Python: remove brackets of list elements while printing pandas dataframe-CodePudding

I have a pandas dataframe of this kind

d = {'col1': [1, [2,3]], 'col2': [[3,4,5], 4]}
d = pd.DataFrame(d)
print(d)

output:

     col1       col2
0       1  [3, 4, 5]
1  [2, 3]          4

what is the best way to remove the brackets of all the list elements while printing this dataframe?

CodePudding user response：

you can simply convert the column (list) to string and remove the brackets, such that:

for c in d.columns:
    d[c]= d.apply(lambda x: str(x[c]).replace("[",'').replace(']',''), axis=1)

desired result

    col1    col2
0   1       3, 4, 5
1   2, 3    4

CodePudding user response：

The very same idea as @adhg’s answer but we could also do:

df = d.astype(str).apply(lambda col: col.str.strip('[]'))

CodePudding user response：

Another way to do it:

d.applymap(lambda x: str(x)[1:-1] if type(x)==list else x)
# Out:
#    col1     col2
# 0     1  3, 4, 5
# 1  2, 3        4