# We import the libraries
import pandas as pd

# Create our example DataFrame
names = ["Johanna", "Jack", 
         "Elena", "Bob", 
         "Annie"]
ages = [24, 42, 18, 23, 75]
gender = [2, 1, 2, 1, 2]

df = pd.DataFrame({"name": names,
                   "ages": ages,
                   "gender": gender})

# We replace our numeric data
# of the gender column into
# categorical variable 
df["gender"] = df["gender"].replace({1:'Male', 
                                     2 :'Female'})

# We print our dataframe
print(df)