import
pandas as pd
import
numpy as np
df1
=
{
'Name'
:[
'abc'
,
'bcd'
,
'cde'
,
'def'
,
'efg'
,
'fgh'
,
'ghi'
],
'Math_score'
:[
52
,
87
,
49
,
74
,
28
,
59
,
48
],
'Eng_score'
:[
34
,
67
,
25
,
89
,
92
,
45
,
86
]
}
df1
=
pd.DataFrame(df1,columns
=
[
'Name'
,
'Math_score'
,
'Eng_score'
])
df1[
'Eng_cum_percent'
]
=
(df1.Eng_score.cumsum()
/
df1.Eng_score.
sum
())
*
100
df1