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String-2/count_code.py

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+#CodingBat - Python
+
+#count_code
+
+#Return the number of times that the string "code" appears anywhere in the given
+#string, except we'll accept any letter for the 'd', so "cope" and "cooe" count.
+
+# count_code('aaacodebbb') → 1
+# count_code('codexxcode') → 2
+# count_code('cozexxcope') → 2
+
+def count_code(str):
+    count = 0
+    for e in range( len(str) - 3 ):
+        if str[e:e+2] == "co" and str[e+3] == "e":
+            count += 1
+    return count
+
+
+print(count_code('aaacodebbb'))
+print(count_code('codexxcode'))
+print(count_code('cozexxcope'))