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formatted printing variety - format method
String Handling example from a Well House Consultants training course
More on String Handling [link]
Source code: earlier Module: Y108
# formatted printing variety
h = float(input("How all are ya (in metres) ")) w = float(input("How heavy are ya (in kgs) ")) bmi = w / h ** 2 print ("Your bmi is {:.3f} if so".format(bmi)) # As wide as need be, 3 figs after the decimal print ("Your bmi is {:010.3f} if so".format(bmi)) # 10 wide, 3 after decimal, 0 filled print ("Your bmi is {:10.3f} if so".format(bmi)) # 10 wide, 3 after decimal, space filled print ("Your bmi is {:<10.3f} if so".format(bmi)) # 10 wide, 3 after decimal, right justified print ("Your bmi is {:^10.3f} if so".format(bmi)) # 10 wide, 3 after decimal, centred print ("Your bmi is {0:10.3f} if so".format(bmi)) # explicity parameter 0 filled in here print ("Your bmi is {result} if so".format(result=bmi)) # parameters by name # Multiple parameters - as indididual parameters, as a list and as a dict print ("for height {2:} and weight {1:} the bmi is {0:10.3f}".format(bmi,w,h)) result = [bmi,w,h] print ("for height {2:} and weight {1:} the bmi is {0:10.3f}".format(*result)) result = {"height":h, "weight":w, "bmi":bmi} print ("for height {height} and weight {weight} the bmi is {bmi:10.3f}".format(**result)) """ Sample output WomanWithCat:y108 grahamellis$ python2 earlier How all are ya (in metres) 1.76 How heavy are ya (in kgs) 74 Your bmi is 23.889 if so Your bmi is 000023.889 if so Your bmi is 23.889 if so Your bmi is 23.889 if so Your bmi is 23.889 if so Your bmi is 23.889 if so Your bmi is 23.8894628099 if so for height 1.76 and weight 74.0 the bmi is 23.889 for height 1.76 and weight 74.0 the bmi is 23.889 for height 1.76 and weight 74.0 the bmi is 23.889 WomanWithCat:y108 grahamellis$ python3 earlier How all are ya (in metres) 1.76 How heavy are ya (in kgs) 74 Your bmi is 23.889 if so Your bmi is 000023.889 if so Your bmi is 23.889 if so Your bmi is 23.889 if so Your bmi is 23.889 if so Your bmi is 23.889 if so Your bmi is 23.889462809917354 if so for height 1.76 and weight 74.0 the bmi is 23.889 for height 1.76 and weight 74.0 the bmi is 23.889 for height 1.76 and weight 74.0 the bmi is 23.889 WomanWithCat:y108 grahamellis$ """ Learn about this subject
This module and example are covered on the following public courses:
* Learning to program in Python * Python Programming * Intermediate Python Also available on on site courses for larger groups Books covering this topic
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