see how many lowercase letters are in a string python code example
Example 1: how to check if a letter is lowercase in python
for c in s:
if c.islower():
print c
Example 2: Python Program to count the number of lowercase letters and uppercase letters in a string.
string=raw_input("Enter string:")
count1=0
count2=0
for i in string:
if(i.islower()):
count1=count1+1
elif(i.isupper()):
count2=count2+1
print("The number of lowercase characters is:")
print(count1)
print("The number of uppercase characters is:")
print(count2)