Replace Vowel With Another Character

Create a function that takes a string and replaces the vowels with another character.

• a = 1
• e = 2
• i = 3
• o = 4
• u = 5

Examples

replace_vowel("karachi") ➞ "k1r1ch3"

replace_vowel("chembur") ➞ "ch2mb5r"

replace_vowel("khandbari") ➞ "kh1ndb1ri"

Notes

The input will always be in lowercase.