Python: Insert a given string at the beginning of all items in a list

Last update on August 19 2022 21:51:48 (UTC/GMT +8 hours)

Python List: Exercise - 63 with Solution

Write a Python program to insert a given string at the beginning of all items in a list.

Sample Solution:-

Python Code:

num = [1,2,3,4]
print(['emp{0}'.format(i) for i in  num])

Sample Output:

['emp1', 'emp2', 'emp3', 'emp4']

Flowchart:

The following tool visualize what the computer is doing step-by-step as it executes the said program:

Python Code Editor:

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Returns True if the provided function returns True for every element in the list, False otherwise:

Example:

def tips_every(lst, fn=lambda x: x):
  return all(map(fn, lst))

print(tips_every([2, 4, 3], lambda x: x > 1))
print(tips_every([1, 2, 3]))

Output:

True
True