What is Pandas map() method
The map() method only works on a pandas series where the type of operation to be applied depends on the argument passed as a function, dictionary, or list. This method is generally used to map values from two series having one column the same.
Python3
# The code below illustrates how the # map method works on the Pandas series:# Importing pandas import pandas as pd# Series generationgfg_string = 'w3wiki'gfg_series = pd.Series(list(gfg_string))print("Original series\n" + gfg_series.to_string(index=False, header=False), end='\n\n')# Using apply method for converting characters# present in the original seriesnew_gfg_series = gfg_series.map(str.upper)print("Transformed series:\n" + new_gfg_series.to_string(index=False, header=False), end='\n\n') |
Output:
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