python string append example

Append characters one by one to the string with a for loop:

Method I:

string = ''
str=u"Additional characters"
for i in range(len(str)):
  string+=str[i]
print string

Show results:

Additional characters

Method II:

string = []
str=u"1234"
for i in range(len(str)):
  (str[i])
print string

Show results:

[u'1', u'2', u'3', u'4']

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