[Tutor] How to change the char in string for Python

[Sudo Nohup]

Dear all,

I want to change the value of a char in a string for Python. However, It
seems that "=" does not work.

Could you help me? Thanks!

str = "abcd"
result = [char = 'a' for char in str if char == 'c']


OR:

str = 'abcd'
for char in str:
    if char == 'a':
       char = 'c'


OR:

str = 'abcd'
for i in range(len(str)):
    if str[i] == 'a':
       str[i] = 'c'

(
Traceback (most recent call last):
  File "<stdin>", line 3, in <module>
TypeError: 'str' object does not support item assignment
)


James
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