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Update functions.py #5

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28 changes: 22 additions & 6 deletions lib/functions.py
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Original file line number Diff line number Diff line change
@@ -1,16 +1,32 @@
#!/usr/bin/env python3
# lib/functions.py

def greet_programmer():
pass
print("Hello, programmer!")

def greet(name):
pass
print("Hello, {}!".format(name))

def greet_with_default(name="programmer"):
pass
print("Hello, {}!".format(name))

def add(num1, num2):
pass
return num1 + num2

def halve(number):
pass
if not isinstance(number, (int, float)):
return None

return number / 2

# Testing the methods
if __name__ == "__main__":
greet_programmer()
greet("Stephan Maina")
greet_with_default("Bat-Tziyon Mbiki")
greet_with_default()
result = add(10, 5)
print("The sum is:", result)
halved_value = halve(20)
print("Half of 20 is:", halved_value)
invalid_result = halve("two")
print("Invalid result:", invalid_result)