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Python Basic Program-Count of Vowels in String

Count of Vowels in String

Input: any string say,"Tamilhacks"
Output:3
Explanation:
The string "Tamilhacks" consist of 3 vowels[a,e,i,o,u]


Program 1:
def noofvowels(a):
    count=0
    for i in a:
        if i=='a' or i=='e' or i=='i' or i=='o' or i=='u' or   i=='A' or i=='E' or
         i=='I' or i=='O' or i=='U':
            count=count+1
    return count
        
Word=input("Enter string:")
noofvowels(Word
Output:
Enter string:TamilHacks
3
Program 2:
def noofvowels(a):
    count=0
    for i in a:
        if i=='a' or i=='e' or i=='i' or i=='o' or i=='u':
            count=count+1
        elif i=='A' or i=='E' or i=='I' or i=='O' or i=='U':
            count=count+1
        else:
            pass
    return count      
a=input("Enter string:")
noofvowels(a)
Output:
Enter string:TamilHacks
3
Program 3:using List
def noofvowels(a):
    vowels=["a","e","i","o","u","A","E","I","O","U"]
    count=0
    for letter in a:
        if letter in vowels:
            count=count+1
        else:
            pass
    return count
a=input("Enter string:")
noofvowels(a)
Output:
Enter string:TamilHacks
3
Program 4:using lower()/upper()
def noofvowels(a):
    vowels=["a","e","i","o","u"]
    count=0
    for letter in a:
        if letter in vowels:
            count=count+1
        else:
            pass
    return count
a=(input("Enter string:")).lower()
noofvowels(a)
Output:
Enter string:TamilHacks
3
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