1 files changed, 79 insertions, 0 deletions
diff --git a/challenge-187/eric-cheung/python/ch-1.py b/challenge-187/eric-cheung/python/ch-1.py
new file mode 100755
index 0000000000..8e0a62a969
--- /dev/null
+++ b/challenge-187/eric-cheung/python/ch-1.py
@@ -0,0 +1,79 @@
+
+import datetime
+
+nYear = 2022
+
+## DD-MM
+
+## Example 1
+strFooStartDate = "12-01"
+strFooEndDate = "20-01"
+
+strBarStartDate = "15-01"
+strBarEndDate = "18-01"
+
+
+## Example 2
+# # strFooStartDate = "02-03"
+# # strFooEndDate = "12-03"
+
+# # strBarStartDate = "13-03"
+# # strBarEndDate = "14-03"
+
+
+## Example 3
+# # strFooStartDate = "02-03"
+# # strFooEndDate = "12-03"
+
+# # strBarStartDate = "11-03"
+# # strBarEndDate = "15-03"
+
+
+## Example 4
+# # strFooStartDate = "30-03"
+# # strFooEndDate = "05-04"
+
+# # strBarStartDate = "28-03"
+# # strBarEndDate = "02-04"
+
+
+def GetConvDate(strInputDate):
+
+    arrInputDate = strInputDate.split("-")
+    return datetime.datetime(nYear, int(arrInputDate[1]), int(arrInputDate[0]))
+
+
+objFooStartDate = GetConvDate(strFooStartDate)
+objFooEndDate = GetConvDate(strFooEndDate)
+objBarStartDate = GetConvDate(strBarStartDate)
+objBarEndDate = GetConvDate(strBarEndDate)
+
+
+bFlag = False
+
+
+if objFooStartDate < objBarStartDate:
+    if objFooEndDate >= objBarStartDate:
+        objStartDate = objBarStartDate
+        bFlag = True
+else:
+    if objBarEndDate >= objFooStartDate:
+        objStartDate = objFooStartDate
+        bFlag = True
+
+
+if bFlag:
+    if objFooEndDate < objBarEndDate:
+        objEndDate = objFooEndDate
+    else:
+        objEndDate = objBarEndDate
+
+    objDay = objEndDate - objStartDate
+    nDay = objDay.days + 1
+
+    if nDay > 1:
+        print(str(nDay) + " days")
+    else:
+        print(str(nDay) + " day")
+else:
+    print ("0 day")