File Mode Operation r Open for read rU or U Open for read with universal NEWLINE support (PEP 278) W Open for write (truncate if necessary) A Open for append (always works from EOF, create if necessary) r+ Open for read and write w+ Open for read and write (see w above) a+ Open for read and write (see a above) Rb Open for binary read Wb Open for binary write (see w above) ab Open for binary append (see a above) rb+ Open for binary read and write (see r+ above) wb+ Open for binary read and write (see w+ above) ab+ Open for binary read and write (see a+ above)
Here are some examples for opening files: fp = open('/etc/motd') #open file for read fp = open('test', 'w') #open file for write fp = open('data', 'r+') #open file for read/write fp = open(r'c:io.sys', 'rb') #open binary file for read
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