diff --git a/src/python/string/index.js b/src/python/string/index.js
index 09f9b52685..a45d0af1d7 100644
--- a/src/python/string/index.js
+++ b/src/python/string/index.js
@@ -2,3 +2,4 @@ module.exports.ascii_letters = require('./ascii_letters')
 module.exports.ascii_lowercase = require('./ascii_lowercase')
 module.exports.ascii_uppercase = require('./ascii_uppercase')
 module.exports.capwords = require('./capwords')
+module.exports.punctuation = require('./punctuation')
diff --git a/test/languages/c/stdio/test-sprintf.js b/test/languages/c/stdio/test-sprintf.js
index d885ca279c..f86d072910 100644
--- a/test/languages/c/stdio/test-sprintf.js
+++ b/test/languages/c/stdio/test-sprintf.js
@@ -11,4 +11,10 @@ describe('src/c/stdio/sprintf.js (tested in test/languages/c/stdio/test-sprintf.
     expect(result).to.deep.equal(expected)
     done()
   })
+  it('should pass example 2', function (done) {
+    var expected = 'Param is a 90% good boy.'
+    var result = sprintf('%s is a %d%% %s %s.', 'Param', 90, 'good', 'boy')
+    expect(result).to.deep.equal(expected)
+    done()
+  })
 })
diff --git a/test/languages/php/strings/test-str_ireplace.js b/test/languages/php/strings/test-str_ireplace.js
index eddf4cb7d6..8352772669 100644
--- a/test/languages/php/strings/test-str_ireplace.js
+++ b/test/languages/php/strings/test-str_ireplace.js
@@ -21,4 +21,10 @@ describe('src/php/strings/str_ireplace.js (tested in test/languages/php/strings/
     expect(result).to.deep.equal(expected)
     done()
   })
+  it('should pass example 3', function (done) {
+    var expected = 'aaa'
+    var result = str_ireplace('', '.', 'aaa')
+    expect(result).to.deep.equal(expected)
+    done()
+  })
 })
diff --git a/test/languages/php/strings/test-str_replace.js b/test/languages/php/strings/test-str_replace.js
index 740ccec3c8..82a83cc472 100644
--- a/test/languages/php/strings/test-str_replace.js
+++ b/test/languages/php/strings/test-str_replace.js
@@ -33,4 +33,10 @@ describe('src/php/strings/str_replace.js (tested in test/languages/php/strings/t
     expect(result).to.deep.equal(expected)
     done()
   })
+  it('should pass example 5', function (done) {
+    var expected = 'aaa'
+    var result = str_replace('', '.', 'aaa')
+    expect(result).to.deep.equal(expected)
+    done()
+  })
 })
diff --git a/test/languages/python/string/test-punctuation.js b/test/languages/python/string/test-punctuation.js
new file mode 100644
index 0000000000..b7a5e42333
--- /dev/null
+++ b/test/languages/python/string/test-punctuation.js
@@ -0,0 +1,14 @@
+// warning: This file is auto generated by `npm run build:tests`
+// Do not edit by hand!
+process.env.TZ = 'UTC'
+var expect = require('chai').expect
+var punctuation = require('../../../../src/python/string/punctuation.js') // eslint-disable-line no-unused-vars,camelcase
+
+describe('src/python/string/punctuation.js (tested in test/languages/python/string/test-punctuation.js)', function () {
+  it('should pass example 1', function (done) {
+    var expected = "!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~"
+    var result = punctuation()
+    expect(result).to.deep.equal(expected)
+    done()
+  })
+})