Solution Exercise 18: position of a character in a Python string

Exercise 18

Write a program in Python that asks the user to enter a string of characters s and send back a message indicating whether the string contains the letter 'a' while indicating its position on the string. Example if the user types the string s = 'language' the program returns:
The letter 'a' is at position: 1
The letter 'a' is at position: 5

Solution

# Ask the user to type the value of s
s = input("Type the value of s: ")

# Get length of string s
n = len(s)

# Iterate through the string s while searching for the character 'a'
for i in range(0,n):
     # Test if the encountered character is equal to 'a'
     if(s[i] == 'a'):
         print("The character 'a' is at position: ", i , " in the string s")

# Ask the user to type the value of s

s = input("Type the value of s: ")

# Get length of string s

n = len(s)

# Iterate through the string s while searching for the character 'a'

for i in range(0,n):

# Test if the encountered character is equal to 'a'

if(s[i] == 'a'):

print("The character 'a' is at position: ", i , " in the string s")

Younes Derfoufi
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Solution Exercise 18: position of a character in a Python string

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