python get all characters
import string
# all the lowercase and uppercase letters
print(string.ascii_letters)
# every printable key on your keyboard
print(string.printable)
# every digit
print(string.digits)python get all characters
import string
# all the lowercase and uppercase letters
print(string.ascii_letters)
# every printable key on your keyboard
print(string.printable)
# every digit
print(string.digits)python3 return a list of indexes of a specific character in a string
string='mississippi'
s='s'
lst= []
for i in range(len(string)):
if (string[i] == s):
lst.append(i)
print(lst)
#result: [2, 3, 5, 6]count characters in string python
>>> sentence = 'Mary had a little lamb'
>>> sentence.count('a')
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