# Counting the Occurrences of Each Letter

• Generates 100 lowercase letters randomly
• count the occurrence of each letter

```from random import randint # import randint

def main():
# Create a list of characters
chars = createList()

# Display the list
print("The lowercase letters are:")
displayList(chars)

# Count the occurence of each letter
counts = countLetters(chars)

#Display counts
print("The occurences of each letter are:")
displayCounts(counts)

# Create a list of characters
def createList():
# Create an empty list
chars = []

# Create lowercase letters randomly and add them to the list
for i in range(100):
chars.append(getRandomLowerCaseLetter())

# Return the list
return chars

# Disply the list of characters
def displayList(chars):
# Display the characters in the list with 20 in each line
for i in range(len(chars)):
if (i + 1) % 20 == 0:
print(chars[i])
else:
print(chars[i], end= ' ')

# Count the occurences of each letter
def countLetters(chars):
# Create a list of 26 integers with initial value 0
counts = 26 * [0]

# For each lowercase letter in the list, count it
for i in range(len(chars)):
counts[ord(chars[i]) - ord('a')] += 1

return counts

# Display counts
def displayCounts(counts):
for i in range(len(counts)):
if (i + 1) % 10 == 0:
print(counts[i], chr(i + ord('a')))
else:
print(counts[i], chr(i + ord('a')), end = ' ')

# Generate a random character between ch1 and ch2
def getRandomCharacter(ch1, ch2):
return chr(randint(ord(ch1), ord(ch2)))

# Generate a random lowercase letter
def getRandomLowerCaseLetter():
return getRandomCharacter('a', 'z')

main() # Call the main function```