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Python Exercise: Multiply all the numbers in a list

Python Functions: Exercise-3 with Solution

Write a Python function to multiply all the numbers in a list.

Sample Solution:-

Python Code:

def multiply(numbers):  
    total = 1
    for x in numbers:
        total *= x  
    return total  
print(multiply((8, 2, 3, -1, 7)))

Sample Output: 

-336

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Python exercises: Multiply all the numbers in a list.

Flowchart:

Flowchart: Python exercises: Multiply all the numbers in a list.

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Python: Tips of the Day

Creates a dictionary with the same keys as the provided dictionary and values generated by running the provided function for each value

Example:

def tips_map_values(obj, fn):
  ret = {}
  for key in obj.keys():
    ret[key] = fn(obj[key])
  return ret
users = {
  'Owen': { 'user': 'Owen', 'age': 29 },
  'Eddie': { 'user': 'Eddie', 'age': 15 }
}

print(tips_map_values(users, lambda u : u['age'])) # {'Owen': 29, 'Eddie': 15}

Output:

{'Owen': 29, 'Eddie': 15}