python
import pandas as pd
df = pd.read_csv('data.csv')
df.to_excel('data.xlsx', sheet_name='Sheet1', index=False)
python
df = df.drop_duplicates()
df['column_name'] = df['column_name'].replace('old_value', 'new_value')
df = df.sort_values('column_name', ascending=True)
df_filtered = df[df['column_name'] > 100]
df['new_column'] = df['column1'] + df['column2']
df_grouped = df.groupby('column_name').sum()
python
import matplotlib.pyplot as plt
df['column_name'].plot(kind='bar')
plt.show()
python
mean = df['column_name'].mean()
median = df['column_name'].median()
std = df['column_name'].std()
corr = df['column1'].corr(df['column2'])
desc_stats = df.describe()
