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python pandas replace not working

# .replace works on entire strings, so try use regex to search for partial values.
# ( Remember to also re-assign the value, or use inplace=True )
# E.g. Remove all '&'s in the text values:
df[yourCol] = df[yourCol].replace('[&,)]','', regex=True)
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pandas replace not working

# assignment of df needed
df = df.replace('old_val','new_val)
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