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Introduction to Python

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Common Tuple Methods in Python

Tuples in Python come with a few built-in operations that allow you to retrieve information and manipulate them indirectly. Here are some key methods:

  • len(t): returns the number of elements in tuple t;
  • t * n: creates n repetitions of tuple t;
  • t.count(x): counts how often x appears in t.

Since tuples are immutable, you might wonder: How do I add or modify elements in a tuple? Unlike lists, tuples do not support methods like .append() or .extend() for adding elements directly. However, there is a workaround called tuple concatenation.

  • tuple1 + tuple2: merges two tuples (both must be tuples).
# Initial tuple
US_Info = ("USA", 9629091, 331002651)

# New data
US_Info_new = ("Washington D.C.", 50)

# Concatenate two tuples and save the result
US_Info_upd = US_Info + US_Info_new
print(US_Info_upd)

              
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# Initial tuple
US_Info = ("USA", 9629091, 331002651)

# New data
US_Info_new = ("Washington D.C.", 50)

# Concatenate two tuples and save the result
US_Info_upd = US_Info + US_Info_new
print(US_Info_upd)
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Section 4. Chapter 7
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