Python intro notes

2019/PythonIntro/notes/06_io.py

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+"""
+IO is boring but useful, here is how.
+"""
+
+# Input and output from the user is easy.
+a = input("Some prompt here: ")
+print(a)
+
+# Input from files are a bit more tricky
+
+# The way taught in ITGK
+f = open("file.txt")
+f.close()
+
+# The correct way
+
+
+with open("file.txt", "r") as f:
+    lines = f.readlines()
+    for line in lines:
+        print(line)
+
+# Or even better
+with open("file.txt", "r") as f:
+    for line in f:
+        print(line)
+
+# Even better
+with open("newFile.txt", 'w') as f:
+    f.write("This is a new file\nI like it.\n")
+
+# There are four modes of reading, r, w, a and r+