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import math

# Calculating powers
print(math.pow(2, 3))  # Output: 8.0

# Finding square roots
print(math.sqrt(16))  # Output: 4.0

              
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import datetime

# Getting today's date
today = datetime.date.today()
print(today)  # Output: YYYY-MM-DD

# Calculating a future date
future = today + datetime.timedelta(days=10)
print(future)  # Output: YYYY-MM-DD + 10 days

              
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import os

print(os.getcwd())  # Outputs the current working directory.