Python Assigning values in Strings Python 数字Number radians() 方法 Python Updating strings Python Assigning values in Strings #!/usr/bin/python var1 = 'Hello World!' var2 = "Python Programming" print "var1[0]: ", var1[0] print "var2[1:5]: ", var2[1:5] Python 数字Number radians() 方法 Python Updating strings