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import pandas as pd
header = pd.MultiIndex.from_product([['Semester1','Semester2'],['Maths','Science']])
d=([[12,45,67,56],[78,89,45,67],[45,67,89,90],[67,44,56,55]])
df = pd.DataFrame(d,
index=['Alisa','Bobby','Cathrine','Jack'],
columns=header)
# stack the dataframe
stacked_df=df.stack()
# unstack the dataframe
unstacked_df = stacked_df.unstack()
# stack the dataframe of column at level 0
stacked_df_lvl=df.stack(level=0)
# unstack the dataframe
unstacked_df1 = stacked_df_lvl.unstack() |
Algorithms
A function checks if a given word is a palindrome
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def is_palindrome(word):
j = len(word)-1
i =0
while i<j and word[i].lower()==word[j].lower():
i+=1
j-=1
return (i>=j)
print(is_palindrome('Deleveled')) |