Python Built-in Functions

1. print()

print("Hello, world!")  # Outputs: Hello, world!

2. len()

fruits = ["apple", "banana", "cherry"]
print(len(fruits))  # Outputs: 3

3. type()

age = 25
print(type(age))  # Outputs: <class 'int'>

4. int(), float(), str()

x = "5"
print(int(x))    # Converts to integer: 5
print(float(x))  # Converts to float: 5.0
print(str(10))   # Converts to string: '10'

5. input()

# name = input("Enter your name: ")
# print("Hello, " + name)
# (You have to run this in a terminal or script to see the interaction)

6. range()

for i in range(3):
    print(i)  # Outputs: 0 1 2

7. sum()

numbers = [1, 2, 3, 4]
print(sum(numbers))  # Outputs: 10

8. max() / min()

values = [4, 8, 1, 9]
print(max(values))  # Outputs: 9
print(min(values))  # Outputs: 1

9. abs()

n = -7
print(abs(n))  # Outputs: 7

10. round()

pi = 3.14159
print(round(pi, 2))  # Outputs: 3.14

11. sorted()

nums = [5, 2, 9, 1]
print(sorted(nums))  # Outputs: [1, 2, 5, 9]

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